21098+4624 SMA 128 (HD 201700)
21h 09m 46.42s +46° 23' 37.5" P.A. 170.00 sep 12.3 mag 8.42,11.40 Sp B3IV
| Coord 2000 |
21098+4624 |
|
Discov num |
SMA 128 |
|
Comp |
|
|
Coord arcsec 2000 |
21 09 46.42 +46 23 37.5 |
|
| Date first |
1893 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
169 |
|
Pa last |
170.1 |
|
P.A. Now (θ) |
170.1° |
|
| Sep first |
12.2 |
|
Sep last |
12.349 |
|
Sep. Now (ρ) |
12.349" |
|
| Mag pri |
8.42 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
2.98 |
|
Spectral class |
B3IV (blue-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=0.447
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 201700 |
|
Constellation |
Cygnus |
|
SAO |
50517 |
|
Tycho2 |
3588-03255-1 |
|
| Gaia DR2 |
2164290610948130176 |
|
HD |
201700 |
|
