21018+4411 HO 600 (HD 200407)
21h 01m 47.44s +44° 11' 13.6" P.A. 98.00 sep 2.1 mag 6.70,10.90 Sp Am dist. 70.13 pc (228.76 l.y.)
| Coord 2000 |
21018+4411 |
|
Discov num |
HO 600 |
|
Comp |
|
|
Coord arcsec 2000 |
21 01 47.44 +44 11 13.6 |
|
| Date first |
1896 |
|
Date last |
2016 |
|
Obs |
11 |
|
| Pa first |
80 |
|
Pa last |
98.4 |
|
P.A. Now (θ) |
98.4° |
|
| Sep first |
2.0 |
|
Sep last |
2.119 |
|
Sep. Now (ρ) |
2.119" |
|
| Mag pri |
6.70 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
4.2 |
|
Spectral class |
Am (white) |
|
| Pri motion ra |
+023 |
|
Sec motion ra |
|
|
| Pri motion dec |
-075 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 200407 |
|
Constellation |
Cygnus |
|
SAO |
50368 |
|
HIP |
103779 |
|
| Tycho2 |
3180-01490-1 |
|
Gaia DR2 |
2162198893161238784 |
|
HD |
200407 |
|
GC |
29371 |
|
| BD |
BD+43 3789 |
|
Distance |
70.13 |
|
Distance ly |
228.76 |
|
