[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]
[vsnet-id 45] Chavira infrared stars
- Date: Sun, 28 Feb 1999 00:07:54 -0700
- To: Jean-Claude.Mermilliod@obs.unige.ch, aah@lowell, vsnet-id@kusastro.kyoto-u.ac.jp
- From: bas@lowell.Lowell.Edu (Brian Skiff)
- Subject: [vsnet-id 45] Chavira infrared stars
- Sender: owner-vsnet-id@kusastro.kyoto-u.ac.jp
After a fair bit of work I have obtained accurate positions for all but
two of the "infrared stars" listed by Chavira in a 1967 paper based on far-red
direct and objective-prism plates. The main difficulty in the identifications
was the poor published positions, some in error by 10' or more. The finder
charts were thus indispensable for positive identification on the sky.
Chavira gives Johnson I-band magnitudes and spectral types for most of the
stars. Along with coordinates, I have added here IRAS identifications as well
as USNO-A2.0 magnitudes and colors (if available) to provide some idea of their
brightness in the visible. Note that the red magnitudes for these stars are
typically between mag. 13 and 15---not extraordinarily faint. A few of the
stars are known variables, but all certainly are to some degree.
The first seven "Haro-Chavira" stars were published by Johnson et al. in
a 1965 ApJ paper (HC 5 is missing from the list), which includes BVRIJHKLMN (!)
photometry. The positions listed for these stars are consistently nearly a
full degree in error! This seems to be due to application of 100 years of
precession in the wrong direction. I'm guessing that the BD (equinox 1855)
was used to estimate the positions, then precessed to 1950 for publication;
the error resulted in positions that seem to be about right for 1750 instead.
It was only by chance that I noticed a star pattern from one of the finder
charts on the POSS-I prints, which allowed me to find the others using the
same offset.
\Brian
++++++++++++++++++++++++++++
sources: 1965ApJ...142.1249J
JOHNSON H.L., MENDOZA E.E., and WISNIEWSKI W.Z.
Astrophys. J., 142, 1249-1253 (1965)
Observations of "infrared stars".
1967BOTT....4..197C
CHAVIRA E.
Bol. Obs. Tonantz. Tacub., 4, 197-209 (1967)
Lista preliminar de estrellas infrarrojas.
position sources (column 's'):
A = USNO-2.0
F = FASTT survey
I = IRAS
S = SkyView
>>> HC 56 and 62 not found.
Name RA (2000) Dec s IRAS mb b-r I spec Remarks
HC 1* 20 34 01.5 +42 25 27 A 20322+4215 19.9 6.7 6.4 M4
HC 2* 20 33 01.1 +40 45 41 A 20312+4035 18.0 6.1 5.8
HC 3* 20 25 30.1 +40 44 37 A 20236+4034 19.4 4.2 8.4
HC 4* 20 26 55.7 +39 51 04 S 9.0
HC 6* 20 41 11.2 +41 06 26 S 8.5 IRC +40440
HC 7* 20 42 24.8 +40 24 48 S 20405+4013 9.3
HC 8* 20 44 09.6 +40 56 20 A 18.9 6.0 8.2
HC 9 17 56 34.8 -19 51 01 A 17536-1950 18.2 6.0 8.8 M8
HC 10 18 03 43.1 -18 41 01 A 18.6 3.8 7.9 M8?
HC 11 18 04 40.9 -19 17 43 A 18017-1917 18.8 4.6 7.5 M8:
HC 12 18 05 37.2 -18 27 05 A 18026-1827 20.3 4.3 9.2 M8
HC 13 18 06 10.4 -17 29 16 A 18032-1729 20.0 2.2 9.3 M8
HC 14 18 11 24.1 -19 45 53 A 18084-1946 20.6 5.1 8.1
HC 15* 18 29 32.3 -4 15 34 I 18268-0417 8.9 M7
HC 16 18 30 46.3 -5 34 29 S 18281-0536 9.3 M7
HC 17 18 33 57.0 -3 04 37 A 16.3 3.1 9.3
HC 18* 18 34 37.4 -2 51 22 I 18320-0253 9 M6?
HC 19 18 37 36.7 -5 54 27 S 18349-0557 9 M7
HC 20 18 39 40.6 -0 01 25 S 18370-0004 9.4 M6
HC 21 18 40 21.4 -0 06 52 S 18377-0009 8.9 M8
HC 22 18 40 30.1 +0 46 09 A 18379+0043 19.7 4.1 9.5 M6
HC 23 18 40 52.7 +0 45 45 S 18383+0042 9.4 M7
HC 24 18 40 46.3 +1 09 58 S 18382+0107 9.5 M6
HC 25 18 41 18.9 -0 31 12 S 18387-0034 8.9 M9
HC 26 18 42 30.6 +0 07 07 S 18399+0004 8.9 M7
HC 27* 18 42 34.1 -0 47 26 S 9.6
HC 28 18 43 13.3 -0 13 38 S 18406-0016 9.4 M7
HC 29 18 44 22.0 +2 07 41 A 18418+0204 19.8 5.0 9.4 M8
HC 30* 18 45 19.4 +0 56 19 S 9.5 M7
HC 31 18 45 56.1 -0 51 57 S 18433-0055 8.4
HC 32 18 45 57.8 -1 14 17 S 18433-0117 9.5 M7
HC 33 18 47 00.1 -1 22 39 S 18443-0126 9.5 M6
HC 34 18 47 02.4 +0 46 52 S 18444+0043 9.5
HC 35 18 49 25.4 +4 22 35 A 18469+0419 14.3 5.9 7.7 M7
HC 36 18 49 42.8 +1 41 03 S 18471+0137 8.3
HC 37 18 49 58.0 -0 24 53 A 18.9 3.6 9.3 M6 crowded
HC 38 18 51 15.3 +3 46 56 S 18487+0343 9.3
HC 39* 18 50 36.1 -0 29 04 S 9.1
HC 40 18 50 48.7 +1 25 58 S 18482+0122 8.8
HC 41 18 51 43.8 +1 05 43 S 9.5 M6
HC 42 18 52 39.7 +0 11 41 S 9.5 M variable
HC 43 18 55 01.0 +4 52 34 S 9 M6?
HC 44 18 54 47.4 +0 25 28 S 18522+0021 7.2 M7? NSV 11511
HC 45 18 59 51.3 +8 16 48 S 18574+0812 9.4 M9: EIC 728
HC 46* 19 01 16.3 +9 21 41 S 18588+0917 9.4
HC 47 19 02 09.9 +4 53 22 S 18596+0448 9 M7
HC 48 19 02 25.0 +4 49 59 S 18599+0445 8.2 EIC 734
HC 49 19 03 19.0 +5 35 23 S 9.1 M7
HC 50 19 03 05.0 +8 44 21 S 19006+0839 8.6 M7
HC 51 19 03 51.8 +8 25 48 S 19014+0821 9.4
HC 52 19 04 55.8 +8 38 01 S 19025+0833 9.3
HC 53 19 09 49.9 +7 45 13 S 19074+0740 8.6 M7:
HC 54 19 11 36.1 +10 05 59 S 19092+1000 8.7 M6
HC 55 19 12 41.1 +8 32 17 S 19102+0827 8.9
HC 56 9.4
HC 57 19 14 13.3 +11 09 26 S 9.4 M6? NSV 11835
HC 58 19 14 30.4 +10 50 47 S 19121+1045 9.1 M8: not PN
HC 59 19 20 04.7 +19 53 23 S 19178+1947 8 M8 OO Sge
HC 60 19 27 53.3 +24 06 27 S 19257+2400 7.5
HC 61* 19 37 00.4 +21 43 42 S 19348+2136 7.9 M8 NSV 12208
HC 62 7.3 M7
HC 63 17 58 26.6 -16 32 41 A 17555-1632 18.9 3.5 8.2 M6
HC 64 18 01 02.5 -20 08 40 S 8
HC 65 18 03 11.7 -20 05 11 A 18002-2005 17.2 4.5 7 M7:
HC 66 18 03 36.3 -16 51 08 A 18007-1651 16.6 3.7 7 M7
HC 67 18 05 27.6 -19 33 13 A 18024-1933 18.5 4.1 8.1 M7
HC 68* 18 06 14.9 -18 58 55 A 18032-1859 16.8 1.3 8.0 M6
HC 69 18 11 56.9 -19 52 22 A 18089-1953 18.4 3.3 8.1
HC 70 18 31 34.9 -4 44 11 A 18289-0446 19.2 5.3 7.9 M6.5e?
HC 71 18 32 08.1 -3 58 41 A 18294-0400 19.7 5.3 8.5 M6.5
HC 72 18 33 06.7 -4 12 41 A 18304-0415 19.7 4.3 9 M6
HC 73 18 33 43.8 -6 01 30 A 18310-0603 19.3 5.3 8.3 M6?
HC 74 18 33 45.0 -3 13 30 A 18311-0315 18.9 4.6 8.1 M7
HC 75 18 36 34.6 -4 22 20 S 18339-0424 8
HC 76 18 36 35.3 -5 44 49 A 18338-0547 18.3 4.0 7.9 M8
HC 77 18 37 39.2 -3 53 03 A 18350-0355 18.3 4.3 8.7 M7:
HC 78 18 42 07.8 -1 05 01 A 18395-0108 19.5 4.7 8.9 M7:
HC 79 18 42 37.5 -1 23 33 A 18400-0126 19.1 4.5 9 M6
HC 80 18 44 47.9 +0 22 31 F 18422+0019 19.3 5.7 7.5 M6 FASTT 1187
HC 81 18 45 04.3 -0 46 47 F 19.3 4.6 9 M7: FASTT 1270
HC 82* 18 46 05.1 -0 03 12 A 19.4 4.8 8.6 M6
HC 83 18 47 02.4 +1 14 17 A 18444+0110 19.7 4.9 8.7 M6
HC 84 18 48 10.6 +1 46 39 A 18456+0143 18.7 5.4 7.9 M6
HC 85 18 48 27.8 +0 21 56 S 8.6 M6
HC 86 18 49 34.3 +5 57 19 A 17.9 4.6 7.2 M7
HC 87* 18 49 47.8 +6 00 27 A 17.8 5.1 7 M7
HC 88 18 50 26.0 +4 36 05 A 18479+0432 19.7 5.9 7 M8:
HC 89 18 51 42.6 +3 46 37 S 18492+0342 9 M7:
HC 90 18 51 10.2 +1 35 13 A 18486+0131 19.5 5.0 8 M6
HC 91 18 52 10.6 +5 51 40 A 18497+0547 19.1 5.1 8.3 M7
HC 92 18 52 27.4 +5 15 11 A 18499+0511 19.8 4.0 9.4
HC 93 18 51 38.1 +2 22 28 A 19.2 4.4 8.6
HC 94 18 52 24.5 +5 34 51 S 9.3 M6.5
HC 95 18 54 09.1 +6 25 58 A 18517+0622 19.1 4.7 7.2 M7:
HC 96 18 54 41.8 +6 24 12 S 18522+0620 9.2 M7:
HC 97 18 54 02.4 +0 15 35 F 18514+0011 17.7 4.4 7.9 M6 FASTT 1211
HC 98 18 56 23.8 +4 45 14 A 19.4 4.9 7.2 M8
HC 99 19 00 18.0 +10 11 18 A 18579+1006 18.5 4.2 8 M7
HC 100 19 00 50.3 +9 12 24 S 18584+0908 9.3
HC 101 19 02 05.8 +9 23 14 A 18597+0918 19.2 3.9 8.6 M6
HC 102 19 02 13.1 +9 11 28 A 18598+0907 19.5 4.3 8.5 M6
HC 103 19 03 26.4 +3 43 06 A 19008+0338 17.0 3.1 9 M7:
HC 104 19 08 28.3 +14 58 55 A 19061+1454 18.4 3.9 7.9
HC 105 19 10 39.1 +10 13 06 S 19082+1008 8.8 M7:
HC 106 19 11 15.0 +11 12 21 A 19088+1107 18.4 4.3 8.5 M6
HC 107 19 13 10.0 +9 46 13 A 19107+0941 19.1 5.3 8.4 M6
HC 108 19 13 53.0 +8 44 12 A 18.3 3.8 8.7 M6.5
HC 109 19 14 14.5 +7 45 26 A 19118+0740 19.7 4.8 8.8 M6
HC 110 19 16 13.1 +12 18 18 A 19138+1212 19.0 5.3 7.5 M7
HC 111 19 16 55.9 +13 09 04 A 19146+1303 19.1 4.2 7.8 M6
HC 112 19 18 10.7 +13 45 19 A 19158+1339 18.1 4.4 7.4 M7:
HC 113 19 19 38.5 +14 05 57 S 19173+1400 7.8 M6.5
HC 114 19 19 55.8 +12 54 36 S 19176+1248 6.6
HC 115 19 21 55.7 +20 12 11 A 19197+2006 19.1 4.6 8.8 M8
HC 116 19 22 01.3 +19 44 40 A 19198+1938 19.1 4.4 8.8 M7
HC 117 19 23 27.3 +18 38 05 A 19.4 4.2 8.9 M7:
HC 118 19 24 16.7 +17 23 51 A 19220+1717 20.2 4.9 9 M7
HC 119 19 24 48.4 +19 48 18 A 19.8 4.4 8.6 M6
HC 120 19 25 15.6 +18 55 26 A 19230+1849 19.6 4.9 8.9 M6?
HC 121 19 26 19.1 +16 40 32 A 19240+1634 18.5 3.8 7.8 M8 NSV 12022
HC 122 19 26 17.0 +18 12 16 A 19240+1806 20.2 4.8 6.7 M9: PV Sge
HC 123 19 28 04.9 +23 48 38 A 19259+2342 18.2 4.2 8.3 M7
HC 124 19 28 57.8 +20 54 24 A 19267+2048 18.3 4.5 8.6 M7:
HC 125 19 29 27.5 +18 39 40 A 19.3 4.9 8.9
HC 126 19 29 41.2 +18 42 08 A 19274+1835 19.9 6.2 8 M8
Notes
HC 1 SIMBAD position slightly in error. spectral type from
1967ApJ...147..381P.
HC 2 GSC 3157-0317; SIMBAD position somewhat in error.
HC 3 eastern of two stars.
HC 4 eastern star of merged pair.
HC 6 also StRS 381. type M3: in 1980PW&SO...2..183B; M3/4III in
1997PASJ...49..485G; and M0I in 1996AJ....112..235I.
HC 7 western star of merged pair.
HC 8 northwestern star of merged pair.
HC 15 extremely faint on DSS, IRAS coordinates roughly confirmed.
HC 18 not visible on DSS, IRAS coordinates roughly confirmed on POSS-II
IIIa-F film.
HC 27 northeastern of pair; just outside error ellipse of IRAS 18399-0050.
HC 30 if chart ID is correct, this is _not_ IRAS 18427+0053 = FASTT 1171.
HC 39 outside error ellipse of IRAS 18480-0032.
HC 46 near edge of IRAS error ellipse.
HC 61 just outside IRAS error ellipse.
HC 68 very faint on DSS.
HC 82 eastern star of merged pair.
HC 87 near but outside error ellipse of IRAS 18472+0556.
HC 96 Chavira chart has south up, east right.
=end=
Return to Daisaku Nogami
vsnet-adm@kusastro.kyoto-u.ac.jp
VSNET Home Page