21044+4057 ROE 44
21h 04m 26.42s +40° 56' 55.8" P.A. 43.00 sep 7.2 mag 10.20,10.60 Sp A0IV
| Coord 2000 |
21044+4057 |
|
Discov num |
ROE 44 |
|
Comp |
|
|
Coord arcsec 2000 |
21 04 26.42 +40 56 55.8 |
|
| Date first |
1892 |
|
Date last |
2018 |
|
Obs |
15 |
|
| Pa first |
43 |
|
Pa last |
42.8 |
|
P.A. Now (θ) |
42.8° |
|
| Sep first |
7.1 |
|
Sep last |
7.193 |
|
Sep. Now (ρ) |
7.193" |
|
| Mag pri |
10.20 |
|
Mag sec |
10.60 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
A0IV (white) |
|
| Pri motion ra |
-008 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-009 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
rPM=0.532
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3172-00985-1 |
|
Gaia DR2 |
1969276899314122880 |
|
