discov_num |
notes |
refcode |
ES 2603 |
SZ Cam |
|
STF 485 |
The classification is from Chocol (1980 Bull. Astron. Inst. Czech. 31, |
|
CHR 209 |
321). The discovery of speckle companion CHR 209 Ea,Eb with a period |
|
WSI 20 |
of some 60 y confirms the third body model advocated by Mayer et al. |
|
HZG 2 |
(1994 A&A 288, L13) based on the appearance of the spectrum and |
|
HLM 3 |
variations in the time of light curve minimum (they suggest a third |
|
|
body period of 50.7 y). Another light curve solution is given by |
|
|
Harries et al. (1998 MNRAS 295, 386). The B component was also |
|
|
observed and appeared to be single. Classification of the B component |
|
|
is from the WDS. |
Msn1998a |
|
This complex multiple system has had numerous identification errors |
|
|
due to various difficulties. The diagram of Lewis in his catalog of |
L__1906b |
|
the Struve pairs, which seemed a good first step, was hampered by the |
|
|
quadrant error of the pair he designated Ca. This quadrant error was |
|
|
repeated in the ADS, IDS, and in earlier editions of the WDS. In the |
|
|
ADS (where this pair is listed as #2984, but note that #2989 is part |
|
|
of this system, too) the errors multiplied. The pair Holmes AF (WDS |
|
|
designation HLM 3AF) is apparently the same as STF 485Ac. Inspection |
|
|
of scanned images of this region of the sky have allowed the |
|
|
Hertzsprung pairs (HZG 2) whose components are given within |
|
|
quotation marks in the ADS to be identified. Of the HZG pairs, the |
|
|
"CD" pairing is the same as STF 484AC and the "CE" pairing is the |
|
|
same as STF 484AB. The ADS note to the "AJ" pairing of HZG 2 is a |
|
|
typographical error. The correct position angle is 77 degrees, which |
|
|
corresponds to the AD (now AO) pair. Below outlines the changes from |
|
|
the WDS 2001.0 to the current version. |
|
|
|
|
|
ES 2603Aa ---> ES 2603AB |
|
|
STF 485Ab ---> STF 485AC |
|
|
STF 485Ac ---> STF 485AD |
|
|
STF 485AB ---> STF 485AE |
|
|
STF 485BE ---> STF 485EF |
|
|
STF 485 ---> STF 485EG (formerly STF 485B to STF 484A) |
|
|
STF 484AB ---> STF 484GH |
|
|
STF 484AC ---> STF 484GI |
|
|
STF 485Bb ---> STF 485EC |
|
|
HLM 3AF ---> STF 485AD |
|
|
STF 485AD ---> STF 485AO |
|
|
STF 485 ---> STF 485AL (formerly STF 485A to HLM 3A) |
|
|
HLM 3AB ---> HLM 3LM |
|
|
HZG 2AC ---> STF 484AI |
|
|
HZG 2AD ---> STF 484AG |
|
|
HZG 2AE ---> STF 484AH |
|
|
HZG 2AG ---> HZG 2AN |
|
|
HZG 2BC ---> STF 484EI |
|
|
HZG 2BE ---> STF 484EH |
|
|
HZG 2CD ---> STF 484GI |
|
|
HZG 2CE ---> STF 484HI |
|
|
HZG 2JK ---> HZG 2OP |
|
|
HZG 2 ---> HZG 2JK |
|
|
SLV 3 ---> STF 485AF |
|
|
CHR 209Ba ---> CHR 209Ea,Eb |
|
CHR 209 |
Ea,Eb: The primary of this pair is the Beta Lyrae-type O9/B0 eclipsing |
|
|
system SZ Cam, with a period of 2.698d. The Gorda et al. (2007) orbit |
Grd2007a |
|
is based on changes in the period of SZ Cam to determine P, omega, e, |
Grd2007b |
|
and T, and speckle measures to derive i, Omega, and a. They derive a |
|
|
distance of 1125 +/- 135 pc, which exceeds by 30% the 800pc distance |
|
|
to the open cluster NGC 1502; they conclude that SZ Cam is not a |
|
|
member of the cluster. The mass of the eclipsing pair (Ea) is 28.5 |
|
|
+/- 0.5 Msun, that of the third body (Eb) 23.4 +/- 2.4 Msun. |
|
|
Eb is also a close binary. |
|
STF 484 |
GH: STI 492. |
|
refcode |
metd |
author |
reference |
Grd2007a |
S - |
Gorda, S.Yu., Balega, Yu.Yu., Pluzhnik, E.A., & Shkhagosheva, Z.U. |
2007A&AT...26..145G |
Grd2007a |
+orb |
A&AT 26, 145, 2007 (all data also in Grd2007b) |
2007AstBu..62..352G |
Grd2007b |
orb u |
Gorda, S.Yu., Balega, Yu.Yu., Pluzhnik, E.A., & Shkhagosheva, Z.U. |
2007AstBu..62..352G |
Grd2007b |
+S |
Astrophys. Bull. 62, 352, 2007 |
|
L__1906b |
Ma - |
Lewis, T. |
1906MmRAS..56....1L |
L__1906b |
+orb |
MemRAS 56, 1906 |
|
Msn1998a |
Sc j |
Mason, B.D., Gies, D.R., Hartkopf, W.I., Bagnuolo, Jr., W.G., |
1998AJ....115..821M |
Msn1998a |
|
ten Brummelaar, T.A., & McAlister, H.A. |
|
Msn1998a |
|
AJ 115, 821, 1998 |
|
idgroup |
discov |
author |
1 |
CHR |
Center for High Ang. Res. Astronomy (speckle interferometry systems) |
3 |
DBR |
Debackere, A. |
76 |
ES |
Espin, T.E. |
171 |
FYM |
Fay, M. |
198 |
HLM |
Holmes, E. |
199 |
HZG |
Hertzsprung, E. |
224 |
STF |
Struve, F.G.W. |
257 |
WSI |
Douglass, G.G., Hindsley, R.B., & Worley, C.E. |
266 |
WSI |
Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L., |
266 |
WSI |
Hennessy, G.S., Hall, D.M., Urban, S.E., et al. |
269 |
WSI |
Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Holdenried, E.R., Platais, I., |
269 |
WSI |
Rafferty, T.J., Hall, D.M., Hennessy, G.S., et al. |
270 |
WSI |
Mason, B.D., Hartkopf, W.I., Urban, S.E., Wycoff, G.L., Pascu, D., Hall, D.M., |
270 |
WSI |
Hennessy, G.S., Platais, I., et al. |
271 |
WSI |
Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Pascu, D., Urban, S.E., Hall, D.M., |
271 |
WSI |
Hennessy, G.S., Rafferty, T.J., et al. |
298 |
WSI |
Mason, B.D., Hartkopf, W.I., Bredthauer, G., Ferguson, E.W., Finch, C.T., Kilian, |
298 |
WSI |
C.M., Rafferty, T.J., Ragan, T.J. & Wieder, G.D. |
308 |
WSI |
Mason, B.D., Williams, S.J., Matson, R.A., Josties, J.D., Eakens, P.D., Justice, |
308 |
WSI |
M., Kilian, C.M. & Warner, R. |