21050+4858 TDT 2728
21h 04m 58.90s +48° 57' 45.9" P.A. 57.00 sep 2.5 mag 12.33,12.63
| Coord 2000 |
21050+4858 |
|
Discov num |
TDT2728 |
|
Comp |
|
|
Coord arcsec 2000 |
21 04 58.90 +48 57 45.9 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
57 |
|
Pa last |
57.4 |
|
P.A. Now (θ) |
57.4° |
|
| Sep first |
2.5 |
|
Sep last |
2.51 |
|
Sep. Now (ρ) |
2.51" |
|
| Mag pri |
12.33 |
|
Mag sec |
12.63 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
-014 |
|
Sec motion ra |
-014 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-014 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3596-00314-1 |
|
Gaia DR2 |
2165624632101856256 |
|
