21504+3927 HO 170 (HD 207782)
21h 50m 26.80s +39° 26' 31.8" P.A. 256.00 sep 0.3 mag 7.92,10.05 Sp A3 dist. 184.84 pc (602.95 l.y.)
| Coord 2000 |
21504+3927 |
|
Discov num |
HO 170 |
|
Comp |
|
|
Coord arcsec 2000 |
21 50 26.80 +39 26 31.8 |
|
| Date first |
1886 |
|
Date last |
2011 |
|
Obs |
41 |
|
| Pa first |
162 |
|
Pa last |
255.8 |
|
P.A. Now (θ) |
255.8° |
|
| Sep first |
0.3 |
|
Sep last |
0.283 |
|
Sep. Now (ρ) |
0.283" |
|
| Mag pri |
7.92 |
|
Mag sec |
10.05 |
|
delta mag (ΔM) |
2.13 |
|
Spectral class |
A3 (white) |
|
| Pri motion ra |
+009 |
|
Sec motion ra |
+009 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-012 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 207782 |
|
Constellation |
Cygnus |
|
SAO |
71756 |
|
HIP |
107808 |
|
| Tycho2 |
3189-01854-1 |
|
HD |
207782 |
|
BD |
BD+38 4618 |
|
Distance |
184.84 |
|
| Distance ly |
602.95 |
|
