21037+3130 TDT 2721
21h 03m 40.19s +31° 29' 35.3" P.A. 43.00 sep 2.1 mag 12.40,12.69
| Coord 2000 |
21037+3130 |
|
Discov num |
TDT2721 |
|
Comp |
|
|
Coord arcsec 2000 |
21 03 40.19 +31 29 35.3 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
43 |
|
Pa last |
42.6 |
|
P.A. Now (θ) |
42.6° |
|
| Sep first |
2.1 |
|
Sep last |
2.07 |
|
Sep. Now (ρ) |
2.07" |
|
| Mag pri |
12.40 |
|
Mag sec |
12.69 |
|
delta mag (ΔM) |
0.29 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-034 |
|
Sec motion dec |
-034 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2701-00462-1 |
|
Gaia DR2 |
1864691391947160832 |
|
