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Supernova 1994D Update No. 2



0100
0110   Supernova 1994D in NGC 4526 - Photometry Update    No. 2 (1994/03/14)
0120
0130           SN 1994D  [Ia]      ]12.5 mag.[mv] - [17 mag.[R]
0140      R.A. = 12h 34m 02s.37  Decl. = +07d 42' 04".7 (2000.0)       Nova
0150     [Position by P. M. Kilmartin from an exposure by A. Gilmore]
0160          Offset from nucleus of galaxy: 9" west, 7" north
0170
0180     New entries since Update No. 1 (1994/03/11) are marked with an
0190     asterisk (*), revisions are labelled with a cross (#).
0199
0200     Sequences [SEQ]:
0210     AC      AAVSO chart
0220     HHM     Photoelectric sequence by Hanes, Harris and Madore (1976)
0230     KM      Photoelectric sequence by Kilkenny and Martin (1984)
0240     TA      TA E-Circular No. 820 [HHM + KM]
0250     TB      Thompson-Bryan Supernova Search Chart (1989) [HHM]
0299
0300     Magnitude systems [MS]:
0305     mv      Visual
0310     pv      Photovisual
0315     p       Photographic
0320     V       Photoelectric Johnson V
0325     B       Photoelectric Johnson B
0330     U       Photoelectric Johnson U
0335     R       Photoelectric R
0340     I       Photoelectric I
0345     C       Unfiltered CCD
0399
0400     Sources:
0410     AAM        Agrupacion Astronomica de Madrid (Spain)
0420                c/o J. Ripero (fax no. +3413663953)
0430     AAVSO xxx  AAVSO Alert Notice No. xxx
0440                c/o J. A. Mattei (aavso@cfa0.harvard.edu)
0450     IAUC xxxx  International Astronomical Union Circular No. xxxx
0460                c/o D. W. E. Green (green@cfa.harvard.edu)
0470     Mail(bas)  Brian A. Skiff             (bas@lowell.edu)
0480     Mail(gav)  Gerard de Vaucoleurs       (gav@astro.as.utexas.edu)
0490     Mail(poy)  Gary Poyner (gp@starlink.space-research.birmingham.ac.uk)
0500     Mail(wgd)  William G Dillon           (wgd@houston.geoquest.slb.com)
0510     NAS.VSS    Norwegian Astronomical Society, Variable Star Section
0520                c/o B. H. Granslo (bgranslo@astro.uio.no)
0530     Nova       Nova Net Messages          (nova@nova.la.asu.edu)
0540     TA xxx     The Astronomer Electronic Circular No. xxx
0550                c/o G. M. Hurst (gmh@ast.star.rl.ac.uk)
0560     VSOLJ      Variable Star Observer League in Japan
0570                c/o T. Kato (tkato@kusastro.kyoto-u.ac.jp)
0699
0700 Time system is year, number of month and date with decimals in U.T.
0999
1000---------------------------------------------------------------------------
1010 YYYY+
1020 MM DD.DDD  MAGN  MS SEQ OBSERVER           NOTES                 SOURCE
1030---------------------------------------------------------------------------
1040
1994 03 01     [17    R      Treffers et al.    76-cm refl. + CCD     IAUC 5946
1994 03 07      15.2: R      Treffers et al.    76-cm refl. + CCD     IAUC 5946
1994 03 07     &1              R = 15.2 +/- 0.5. Discovery observation.
1994 03 09.875  13.3: mv KM  Midtskogen, O.     31.6-cm refl. (260x)  NAS.VSS
1994 03 09.90   13.5  pv    *Merlin, J.-C.                            AAVSO 182
1994 03 09.901  13.4  mv KM  Granslo, B. H.     40.6-cm refl. (208x)  NAS.VSS
1994 03 09.901 &1    observed from Saturn Paul Observatory, Sollihoegda, Norway
1994 03 09.932  13.3  mv KM  Dahle, H.          20.3-cm SCT (200x)    NAS.VSS
1994 03 10      12.5: C     #Dosaj, A.          40.6-cm refl. + CCD   Mail(gav)
1994 03 10.055  13.3: mv     Poyner, G.                               TA 819
1994 03 10.16   13.4  U     *Shanks, T. et al.  JKT 1.0-m telescope   Nova
1994 03 10.16  &1  Provisional UBVRI, Jacobus Kapteyn telescope (JKT), La Palma
1994 03 10.16   13.7  B     *Shanks, T. et al.  JKT 1.0-m             Nova
1994 03 10.16   13.7  V     *Shanks, T. et al.  JKT 1.0-m             Nova
1994 03 10.16   13.6  R     *Shanks, T. et al.  JKT 1.0-m             Nova
1994 03 10.16   13.7  I     *Shanks, T. et al.  JKT 1.0-m             Nova
1994 03 10.2    13.66 V     *Walker, A.         CTIO 0.9-m telescope  IAUC 5950
1994 03 10.2   &1             Cerro Tololo Interamerican Observatory
1994 03 10.2    13.70 B     *Walker, A.         CTIO 0.9-m telescope  IAUC 5950
1994 03 10.2    14.1  U     *Walker, A.         CTIO 0.9-m telescope  IAUC 5950
1994 03 10.2    13.62 I     *Walker, A.         CTIO 0.9-m telescope  IAUC 5950
1994 03 10.885  12.9  mv KM  Midtskogen, O.     31.6-cm refl. (260x)  NAS.VSS
1994 03 10.941  13.4: mv KM  Dahle, H.          20.3-cm SCT (133x)    NAS.VSS
1994 03 10.961  12.5  mv    *Hurst, G. M.        44 -cm refl.         TA 820
1994 03 11.17   12.8  U     *Shanks, T. et al.  JKT 1.0-m             Nova
1994 03 11.17  &1  Provisional UBVRI, Jacobus Kapteyn telescope (JKT), La Palma
1994 03 11.17   13.3  B     *Shanks, T. et al.  JKT 1.0-m             Nova
1994 03 11.17   13.3  V     *Shanks, T. et al.  JKT 1.0-m             Nova
1994 03 11.17   13.2  R     *Shanks, T. et al.  JKT 1.0-m             Nova
1994 03 11.17   13.2  I     *Shanks, T. et al.  JKT 1.0-m             Nova
1994 03 11.548  12.8  mv KM *Sekino, Y.          28 -cm SCT           VSOLJ
1994 03 11.637 [12.5  mv KM *Takahashi, S.       60 -cm refl.         VSOLJ
1994 03 11.937  12.8  mv KM *Lauvstad, A.       15.2-cm refl. (196x)  NAS.VSS
1994 03 12.012  12.4  mv    *Hurst, G. M.                             IAUC 5950
1994 03 12.031  12.4  mv TA *Poyner, G.          40 -cm refl.         Mail(poy)
1994 03 12.072  12.3  mv TA *Poyner, G.          40 -cm refl.         Mail(poy)
1994 03 12.91   12.8  mv KM *Foss, S.           20.3-cm SCT           NAS.VSS
1994 03 12.91  &1       observed from Oslo Solar Observatory, Harestua, Norway
1994 03 12.91   13.0  mv KM *Larsen, T.         20.3-cm SCT           NAS.VSS
1994 03 12.936  12.8  mv AC *Ripero, J.          33 -cm refl.         AAM
1994 03 12.988  12.4  mv AC *Pujol, F.           31 -cm refl.         AAM
1994 03 12.993  12.8  mv AC *Rodriguez, D.       20 -cm refl.         AAM
1994 03 13.894  12.2  mv AC *Pujol, F.           31 -cm refl.         AAM
1994 03 13.946  12.3  mv AC *Ripero, J.          33 -cm refl.         AAM
1994 03 13.979  12.5  mv AC *Rodriguez, D.       20 -cm refl.         AAM
1994 03 13.990  12.1  mv KM *Granslo, B. H.     20.3-cm SCT (222x)    NAS.VSS
1994 03 14.031  12.2  mv AC *Garcia, F.          31 -cm refl.         AAM
1994 03 14.413  12.4  mv TB *Dillon, W. G.       28 -cm SCT           Mail(wgd)
1994 03 14.532  11.9: mv KM *Takenaka, Y.       20.3-cm SCT (160x)    VSOLJ
2960
2970---------------------------------------------------------------------------
2980
2990
3000                       +++ Comparison Stars +++
3010
3100 From Brian Skiff (bas@lowell.edu):
3110
3120  H  GSC 0874-  RA  (2000)  Dec      V    U-B   B-V   V-R   V-I  source
3130
3140  1   1023   12 34 12.8  +7 31 55  13.25  0.46  0.76  0.44  0.83   (2)
3150
3160  2   1048   12 34 03.8  +7 33 02  13.37  0.00  0.60  0.36  0.70   (2)
3170
3180  3   0994   12 34 45.4  +7 36 23  12.62  0.26  0.69               (1)
3190                                   12.574 0.231 0.686 0.388 0.765  (2)
3200
3210  4   1052   12 34 41.7  +7 39 09  13.39  0.08  0.59               (1)
3220                                   13.322 0.117 0.620 0.350 0.363  (2)
3230
3240  5   0862   12 34 28.4  +7 41 33  13.36  0.31  0.58               (1)
3250                                   13.31  0.26  0.650 0.38  0.74:  (2)
3260
3270  6   0871   12 34 24.4  +7 43 07  11.29  0.24  0.67               (1)
3280                                   11.277 0.225 0.670 0.395 0.770  (2)
3290
3300  7   0870   12 34 03.8  +7 47 42  11.97   --   0.85               (1)
3310                                   11.98  0.02  0.51  0.31  0.60   (2)
3320
3330  8   0773   12 34 01.4  +7 48 01  14.46  0.03  0.61  0.36  0.72   (2)
3340
3350  9   0899   12 34 02.4  +7 40 35  12.62   --   1.12               (1)
3360                                   12.54  0.97  1.03  0.56  1.03   (2)
3370
3380  11* 0908   12 34 30.5  +7 44 07   6.77  1.02  1.08               (1)
3390                                    6.737 1.001 1.084 0.560 1.065  (2)
3400                                    6.70   --   1.10               (3)
3410
3420  12  0912   12 34 45.2  +7 38 50  14.65  0.25  0.75               (1)
3430                                   14.61  0.29  0.75  0.46  0.96:  (2)
3440
3450  --* 0772   12 33 32.9  +7 40 43   6.91   --   1.04               (3)
3460
3470
3480 * - star 11 = HD 109417 (K2), the bright star east of the galaxy
3490 * - last star in list = HD 109285 (K0), the bright star west of the
3500 galaxy
3510
3520 sources:  (1)  Hanes, D. A., Harris, W. E., and Madore, B. F. 1976 MNRAS
3530                177, 653.
3540           (2)  Kilkenny, D., and Malcolm, G. 1984, MNRAS 209, 169.
3550           (3)  H\"aggkvist, L., and Oja, T. 1973, A&AS 12, 381.
3560
3600 From Gerard de Vaucouleurs (gav@astro.as.utexas.edu):
3610
3620 Star 3 V = 12.62, B-V = 0.69, U-B = 0.26 (2/1 n), = 126 on T-B chart
3630 Star 4 V = 13.39, B-V = 0.59, U-B = 0.08 (1/1 n), = no # on T-B chart
3640 Star 5 V = 13.36, B-V = 0.58, U-B = 0.31 (2/1 n), = 134 on T-B chart
3650 Star 7 V = 11.97, B-V = 0.85 (1 n), = 120 on T-B chart
3660 Star 9 V = 12.62, B-V = 1.12 (1 n), = 126 (84" S, 9" W of nucleus) on
3670 T-B chart
3680 Star 12 V = 14.65, B-V = 0.75, U-B = 0.25 (1/1 n), = 146 on T-B chart.
3690
3700 Magnitudes are given after D. Hanes et al., MN 177, 653, 1976.
3790
3800 From Bjorn H. Granslo (bgranslo@astro.uio.no):
3810
3820 HHM    Photoelectric measurements (KM)      TB  Offset from nucleus
3830 id.   V      B-V    U-B    V-R    V-I   n   id.     of NGC 4526
3840  1  13.25   0.76   0.46   0.44   0.83   1   ---   140" E  590" S
3850  2  13.37   0.60   0.00   0.36   0.70   1   ---    10" E  525" S
3860  3  12.574  0.686  0.231  0.388  0.765  2   126   615" E  305" S
3870  4  13.32   0.620  0.117  0.350  0.363  2   ---   550" E  145" S
3880  5  13.31   0.650  0.26   0.38   0.74:  2   134   360" E    5" S
3890  6  11.277  0.670  0.225  0.395  0.770  2   113   295" E   80" N
3900  7  11.98   0.51   0.02   0.31   0.60   1   120    15" W  345" N
3910  8  14.46   0.61   0.03   0.36   0.72   1   ---    40" W  365" N
3920  9  12.54   1.03   0.97   0.56   1.03   1   126    20" W   75" S
3930 11   6.737  1.084  1.001  0.560  1.065  8    68   390" E  140" N
3940 12  14.61   0.75   0.29   0.46   0.96:: 2   146   605" E  165" S
3950
3960 Identifications are from Hanes, Harris and Madore (1976) [HHM] and
3970 Thompson and Bryan atlas (1989) [TB]. The photoelectric measurements
3980 are due to Kilkenny and Malcolm (1984) [KM].
4990
5000                        +++ List of Observers +++
5010
5020  IAU Circulars 5946, 5950
5025  (R. R. Treffers, A. V. Filippenko, S. D. Van Dyk, Berkeley, CA, USA;
5030  M. W. Richmond, Princeton, NJ, USA);
5040  (A. Walker, Cerro Tololo Interamerican Observatory, Chile)
5199
5200  AAVSO Alert Notice 182
5205  (Jean-Claude Merlin, Le Creusot, France)
5299
5300  TA Circulars 819, 820
5305  (Guy M. Hurst, Basingstoke, UK)
5399
5400  Mail(gav)
5405  (Anil Dosaj)
5459
5450  Mail(wgd)
5455  (William G. Dillon, Missouri City, Texas, USA)
5499
5500  Mail(poy)
5505  (Gary Poyner, Birmingham, England)
5599
5600  Nova Net Messages
5605  (Pam Kilmartin, Alan Gilmore, Mt John, NZ);
5610  (T. Shanks, S. M. Croom, University of Durham; N. R. Tanvir,
5615  Institute of Astronomy)
5990
6000  NAS.VSS
6005  (Haakon Dahle, Oslo, Norway); (Bjorn H. Granslo, Fjellhamar, Norway);
6010  (Ornulf Midtskogen, Tranby, Norway); (Stig Foss, Hosle, Norway);
6015  (Trond Larsen, Lysaker, Norway); (Andreas Lauvstad, Levanger, Norway)
6099
6100  VSOLJ
6105  (Y. Sekino, Kanagawa, Japan); (S. Takahashi, Shiga, Japan);
6110  (Yasuto Takeanka, Japan)
6199
6200  AAM
6205  (Jose Ripero, Rivas Vaciamadrid, Spain); (Fransisco Pujol, Spain);
6210  (Diego Rodriguez, Spain); (Francisco Garcia, Spain)
9799
9800 (( Acknowledgements ))
9810
9820  In compiling these updates, we would like to thank organizations and
9830  individuals from all over the world for their efforts in supplying
9840  vital observations of this supernova!!
9980
9990     Compiled by Bjorn H. Granslo (NAS.VSS) and Yasuto Takenaka (VSOLJ)