20381+2958 A 743
20h 38m 03.08s +29° 57' 58.8" P.A. 309.00 sep 1.2 mag 9.90,13.10 Sp A7
| Coord 2000 |
20381+2958 |
|
Discov num |
A 743 |
|
Comp |
|
|
Coord arcsec 2000 |
20 38 03.08 +29 57 58.8 |
|
| Date first |
1904 |
|
Date last |
2007 |
|
Obs |
9 |
|
| Pa first |
307 |
|
Pa last |
309 |
|
P.A. Now (θ) |
309° |
|
| Sep first |
1.1 |
|
Sep last |
1.23 |
|
Sep. Now (ρ) |
1.23" |
|
| Mag pri |
9.90 |
|
Mag sec |
13.10 |
|
delta mag (ΔM) |
3.2 |
|
Spectral class |
A7 (white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-007 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
88931 |
|
Tycho2 |
2169-01352-1 |
|
Gaia DR2 |
1859235134207865600 |
|
| HD |
334811 |
|