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[vsnet-id 556] Rosino-Guzzi variables revisited



     Below is a revision of the list of red variables found by Rosino & Guzzi
in Sagitta (1978A&AS...31..313R).  I previously worked over the list with
much more modest resources in IBVS 4433, and I now find that I misidentified
four of the stars, resulting in small (10"-30") corrections to the positions.
With a few exceptions, all the stars now have positions reliable at the
few-tenths arcsec level or better, so no improvement should be necessary
for ordinary purposes henceforth.

\Brian

===============================================================================

source:  1978A&AS...31..313R
         ROSINO L. and GUZZI L.
         Astron. Astrophys., Suppl. Ser., 31, 313-335 (1978)
         Infrared variable stars in the Milky Way field at
           RA 19h16m, Dec +18deg28' (1950).

version:  23 Jan 2002
original list revision published as:  1997IBVS.4433....1S

position sources (column 's'):
A  USNO-A2.0  (I/252)
B  Bordeaux meridian circle  (2001A&A...376..325R, I/272)
C  Carlsberg meridian circle  (I/256)
G  GSC-ACT  (I/255)
g  GSC-2.2  (I/271)
M  2MASS 2nd release  (B/2mass/out)
s  SkyView estimate (+/-2")
X  MSX  (2001AJ....121.2819P, V/107)


RG78  Name         RA   (2000)   Dec    s     IRAS     spec  remarks
  1  HV Sge     19 06 14.08 +18 52 00.9 A  19040+1847       
  2  HW Sge     19 06 56.66 +18 20 16.3 A              M5   
  3  HX Sge     19 07 16.23 +18 17 49.3 A  19050+1813  M8   
  4  HY Sge     19 07 26.80 +17 56 30.2 M  19052+1751  M5   
  5  HZ Sge     19 07 30.90 +18 17 31.1 g  19053+1812  M7:  
  6  II Sge     19 08 11.23 +17 54 50.6 B              M4    GSC 1590-2950
  7* IK Sge     19 08 42.14 +18 42 16.8 g  19064+1837  M7   
  8  IM Sge     19 08 46.70 +18 27 11.4 M  19065+1822       
  9  IN Sge     19 09 06.29 +18 37 59.1 M  19069+1833  M6   
 10* IO Sge     19 09 51.57 +17 40 00.0 M  19076+1734       
 11* IP Sge     19 09 56.26 +17 20 25.8 M              M3
 12* IR Sge     19 10 20.61 +17 40 27.1 M  19081+1735  M2   
 13  IQ Sge     19 10 21.14 +17 13 04.4 M              M6   
 14  IS Sge     19 10 36.03 +17 30 37.0 M  19083+1725       
 15  IT Sge     19 10 40.99 +17 12 58.2 M                   
 16  IU Sge     19 10 43.54 +18 56 47.8 M  19085+1857  M7
 17  IV Sge     19 10 46.35 +19 57 08.8 M  19085+1952  M10  
 18* IW Sge     19 10 57.30 +17 42 02.3 M  19087+1737  M7
 19  IX Sge     19 10 57.07 +18 34 32.0 M              M8
 20  IY Sge     19 11 03.17 +17 20 31.1 M              M8    crowded
 21  IZ Sge     19 11 11.52 +18 48 10.9 M  19089+1843  M9    GSC 1594-0513
 22  KK Sge     19 11 16.80 +17 51 50.9 C  19090+1746  M7    GSC 1590-3155
 23  KM Sge     19 11 33.50 +18 36 13.3 M  19093+1831  M7   
 24  KL Sge     19 11 36.46 +16 45 38.6 M  19093+1640       
 25  KN Sge     19 11 38.67 +20 13 21.4 M              M4   
 26  KO Sge     19 11 39.69 +20 03 02.2 M  19094+1957  M3   
 27  KP Sge     19 11 54.18 +17 18 39.2 M              M6   
 28* KQ Sge     19 12 00.02 +16 42 09.4 M  19097+1637  M5
 29  KR Sge     19 12 28.63 +19 17 22.3 A  19102+1912       
 30  KS Sge     19 12 37.24 +16 53 51.2 M              M2   
 31  KT Sge     19 12 54.71 +16 39 55.0 M  19106+1634  M8   
 32  KU Sge     19 12 57.96 +17 36 00.0 M  19107+1730  M3   
 33  KV Sge     19 12 58.95 +20 25 30.9 M                   
 34  KW Sge     19 13 26.15 +18 26 52.8 M  19112+1821  M4   
 35  KX Sge     19 13 46.63 +17 52 22.6 M              M5   
 36* KY Sge     19 13 48.17 +17 38 53.9 M              M6   
 37* KZ Sge     19 13 55.69 +19 09 03.5 M  19117+1903       
 38  LL Sge     19 14 26.40 +19 20 08.9 M  19122+1914  M8   
 39  LM Sge     19 14 31.66 +19 31 29.4 M              M6   
 40* LN Sge     19 14 38.91 +17 35 19.4 A                   
 41  V1347 Aql  19 14 42.7  +16 19 13   s  19124+1613       
 42  LO Sge     19 14 43.8  +17 18 04   s  19124+1712  M4   
 43* LP Sge     19 14 43.81 +17 55 34.9 M  19124+1750  M8
 44  LQ Sge     19 14 52.56 +20 36 48.3 M  19127+2031       
 45  LR Sge     19 15 00.78 +20 01 02.8 M  19128+1955  M4   
 46  LS Sge     19 15 02.85 +19 30 56.4 M              M8   
 47  LT Sge     19 15 13.34 +18 03 08.3 M  19130+1757  M7   
 48  LU Sge     19 15 22.64 +17 27 51.7 A              M3   
 49* V1349 Aql  19 15 27.25 +15 47 53.7 g  19131+1542  M8
 50  LV Sge     19 15 26.79 +18 57 46.6 M  19132+1852  M8   
 51* V1350 Aql  19 15 32.91 +15 51 35.7 g                   
 52  LW Sge     19 15 37.99 +17 11 32.1 g  19133+1706  M8   
 53  V1351 Aql  19 15 40.67 +16 09 41.3 g  19134+1604       
 54  LX Sge     19 15 37.45 +19 18 05.1 M  19134+1912  M5   
 55* LZ Sge     19 15 44.49 +17 03 02.8 g  19134+1657       
 56  LY Sge     19 15 43.73 +17 20 44.0 A  19135+1715       
 57  MM Sge     19 15 45.10 +18 43 27.9 M                   
 58  MN Sge     19 16 33.92 +18 22 52.5 A  19143+1817  M8   
 59  MO Sge     19 16 37.7  +16 30 43   s  19144+1625       
 60* MP Sge     19 16 39.69 +18 28 06.0 M                   
 61  MQ Sge     19 17 06.10 +17 30 44.1 g  19148+1725  M8   
 62* MR Sge     19 17 16.02 +17 19 33.2 g  19150+1714  M10  
 63* MS Sge     19 17 20.68 +16 51 52.4 g                   
 64  MT Sge     19 17 25.73 +17 55 17.6 M  19152+1749  M4   
 65  MU Sge     19 17 35.0  +16 44 50   X  19153+1639       
 66* MV Sge     19 17 51.49 +18 34 12.6 M  19156+1828  M6   
 67* MX Sge     19 17 56.72 +15 47 17.4 g  19156+1541  M3    CGCS 4227
 68* MW Sge     19 17 56.24 +16 27 18.5 A                   
 69  MY Sge     19 17 59.54 +16 48 25.1 g  19157+1642  M6   
 70* MZ Sge     19 17 59.59 +18 33 53.0 M              M4   
 71  NO Sge     19 17 59.55 +20 01 25.2 G  19158+1955  M5    GSC 1607-0201
 72* NN Sge     19 18 03.07 +17 41 47.3 g  19158+1736  M8   
 73  NP Sge     19 18 05.34 +18 48 21.6 M  19158+1842       
 74  NQ Sge     19 18 08.60 +18 52 40.1 M              M5    crowded
 75* NS Sge     19 19 08.09 +20 49 09.3 M                   
 76* NT Sge     19 19 33.5  +19 59 03   s  19173+1953  M8   
 77  NV Sge     19 19 41.66 +19 24 46.4 g  19175+1919  M8   
 78* NU Sge     19 19 43.91 +18 27 21.9 g              M10  
 79  NX Sge     19 19 49.37 +19 41 49.9 g  19176+1936  M8   
 80* NW Sge     19 19 54.4  +17 33 49   X  19176+1728  M8   
 81* NY Sge     19 19 57.90 +18 19 36.0 g              M9   
 82  NZ Sge     19 20 01.34 +20 21 26.4 g  19178+2015  M6   
 83  OO Sge     19 20 04.69 +19 53 22.3 g  19178+1947  M8   
 84* OP Sge     19 20 13.2  +18 25 45   s              M6   
 85* OQ Sge     19 20 29.2  +17 31 38   X              M5   
 86* NZ Vul     19 20 54.94 +20 24 51.7 M                   
 87* OO Vul     19 21 03.06 +20 02 32.3 M  19188+1956  M9   
 88  OP Vul     19 21 04.15 +19 32 54.4 M  19189+1927  M6   
 89  OQ Vul     19 21 07.37 +20 02 06.5 M                   
 90  OR Vul     19 21 20.72 +20 06 11.6 M  19191+2000  M9   
 91  OS Vul     19 21 21.02 +20 30 14.4 M  19191+2024  M8   
 92  OT Vul     19 21 39.94 +20 01 27.4 M  19194+1955       
 93* OU Vul     19 21 47.67 +19 49 37.8 M                   
 94* OR Sge     19 21 53.86 +19 02 21.1 M                   
 95  OS Sge     19 22 09.33 +18 18 52.7 M  19199+1813       
 96* OV Vul     19 22 14.49 +19 40 51.8 M              M8   
 97  OT Sge     19 22 18.16 +17 31 04.6 M  19200+1725  M6   
 98  OW Vul     19 22 24.16 +20 03 44.8 M  19202+1957  M6    GSC 1608-0373
 99  OU Sge     19 22 30.16 +17 58 22.3 M  19202+1752  M8   
100  OX Vul     19 22 32.11 +19 53 01.0 M  19203+1947  M9   
101  OV Sge     19 22 45.81 +18 41 02.1 M  19205+1835  M6   
102* OW Sge     19 22 54.96 +18 45 03.1 M                   
103* OY Vul     19 22 53.75 +19 52 16.5 M                    crowded
104  OX Sge     19 23 29.99 +18 45 08.0 M  19212+1839  M8   
105* OY Sge     19 23 30.77 +18 49 40.2 M  19212+1843       
106  OZ Sge     19 23 51.35 +17 12 57.5 M  19216+1707  M6   
107* PP Sge     19 24 07.98 +17 03 03.1 M                   
108  OZ Vul     19 24 20.73 +20 00 25.5 M  19221+1954  M6   
109  PQ Sge     19 24 53.20 +19 01 14.6 M  19226+1855  M8   
110* PR Sge     19 25 10.06 +19 12 12.2 M              M6   
111  PS Sge     19 25 47.67 +17 37 07.6 M  19235+1731  M6   
112* PT Sge     19 25 49.52 +19 14 48.4 M  19236+1908  M10  
113* PP Vul     19 25 49.30 +19 30 18.6 M              M8    crowded
114  PQ Vul     19 26 00.42 +19 40 35.5 M  19238+1934  M3   
115  PV Sge     19 26 17.02 +18 12 16.0 B  19240+1806  M6   
116  PU Sge     19 26 17.46 +18 00 18.5 M  19240+1754  M6   
117  PW Sge     19 26 36.14 +19 00 26.2 M  19244+1854  M2   
118  PX Sge     19 26 39.70 +17 44 11.2 M  19244+1738       
119  PY Sge     19 27 05.99 +19 19 34.2 M  19249+1913  M10  
120* IL Sge     19 08 45.07 +17 41 20.9 M  19065+1736  M6   
121* V1346 Aql  19 13 35.82 +16 09 46.0 M                   
122* NR Sge     19 19 04.23 +18 30 53.1 M                   
123* PZ Sge     19 27 25.84 +18 26 37.7 M  19252+1820       



Notes:

  7   southeastern star of a ~4" pair.
 10   this is not the M-dwarf G 142-11.
 11   misidentified in 1997IBVS.4433....1S.
 12   south-southeastern star of a 6" pair.
 18   southwestern star of a ~5" pair.
 28   evidently a close pair, since 2MASS position offset ~1".5 north of
      visible-light positions (A2.0, GSC-2.2, Bordeaux).
 36   eastern star of a 5" pair.
 37   northern star of a 4" pair.
 40   southeastern star of a pair.
 43   misidentified in 1997IBVS.4433....1S.
 49   western star of a ~6" pair.
 51   MSX5C G049.7568+01.9895.
 55   misidentified in 1997IBVS.4433....1S.
 60   MSX5C G052.1929+02.9629.
 62   northern star of a 6" pair.
 63   MSX5C G050.8475+02.0752; probably also IRAS 19151+1646 with a poor
      position.
 66   in the field of cluster Palomar 10.
 67   +4 deg Dec error, identified by Jan Manek (1997IBVS.4478....1M);
      correct position is in Aquila.
 68   MSX5C G050.5510+01.7586; northeastern star of a 3" pair.
 70   MSX5C G052.4252+02.7296; superposed on globular cluster Palomar 10.
 72   assumed to be southeastern star of a ~2" pair.
 75   MSX5C G054.5487+03.5417.
 76   northeastern star of a ~5" pair.
 78   MSX5C G052.5219+02.3151.
 80   MSX5C G051.7519+01.8609; misidentified in 1997IBVS.4433....1S.
 81   MSX5C G052.4331+02.2058.
 84   MSX5C G052.5523+02.1996; southwestern star of a 3" pair.
 85   MSX5C G051.7845+01.7217; northeastern star of a 5" pair.
 86   MSX5C G054.3841+02.9843.
 87   GSC 1608-0453.
 93   MSX5C G053.9629+02.5268.
 94   MSX5C G053.2784+02.1359; western star of a 7" pair.
 96   MSX5C G053.8830+02.3654.
102   MSX5C G053.1372+01.7871, probably also IRAS 19207+1839 with a poor
      position.  southeastern star of a 2" pair.
103   MSX5C G054.1233+02.3193.
105   northwestern star of a 6" pair.
107   MSX5C G051.7730+00.7319; Rosino & Guzzi +1 deg Dec error.
110   MSX5C G053.7884+01.5325, southern star of a 5" pair.
112   northwestern star of a 7" pair.
113   MSX5C G054.1268+01.5393.
120   southwestern star of a 6" pair.
121   MSX5C G049.8079+02.5454.
122   MSX5C G052.5001+02.4805.
123   southern star of a ~5" trio.

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