21178+4302 A 616
21h 17m 46.28s +43° 02' 02.0" P.A. 316.00 sep 2.7 mag 9.50,11.00 Sp A2
| Coord 2000 |
21178+4302 |
|
Discov num |
A 616 |
|
Comp |
|
|
Coord arcsec 2000 |
21 17 46.28 +43 02 02.0 |
|
| Date first |
1903 |
|
Date last |
2015 |
|
Obs |
16 |
|
| Pa first |
317 |
|
Pa last |
316.4 |
|
P.A. Now (θ) |
316.4° |
|
| Sep first |
2.5 |
|
Sep last |
2.708 |
|
Sep. Now (ρ) |
2.708" |
|
| Mag pri |
9.50 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
|
|
| Pri motion dec |
-014 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
50675 |
|
Gaia DR2 |
1969177981932109696 |
|
