21010+0704 HEI 821
21h 00m 59.62s +07° 04' 13.0" P.A. 90.00 sep 2.9 mag 10.60,12.60
| Coord 2000 |
21010+0704 |
|
Discov num |
HEI 821 |
|
Comp |
|
|
Coord arcsec 2000 |
21 00 59.62 +07 04 13.0 |
|
| Date first |
1990 |
|
Date last |
2020 |
|
Obs |
4 |
|
| Pa first |
92 |
|
Pa last |
90.1 |
|
P.A. Now (θ) |
90.1° |
|
| Sep first |
2.2 |
|
Sep last |
2.86 |
|
Sep. Now (ρ) |
2.86" |
|
| Mag pri |
10.60 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
|
|
| Pri motion ra |
+018 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Equuleus |
|
Tycho2 |
0538-00739-1 |
|
Gaia DR2 |
1737058810873571840 |
|
