07217+2555 NSN 30
07h 21m 43.38s +25° 54' 58.8" P.A. 88.00 sep 4.8 mag 10.10,13.50 Sp K4
| Coord 2000 |
07217+2555 |
|
Discov num |
NSN 30 |
|
Comp |
|
|
Coord arcsec 2000 |
07 21 43.38 +25 54 58.8 |
|
| Date first |
1954 |
|
Date last |
2017 |
|
Obs |
7 |
|
| Pa first |
95 |
|
Pa last |
88.4 |
|
P.A. Now (θ) |
88.4° |
|
| Sep first |
5.7 |
|
Sep last |
4.778 |
|
Sep. Now (ρ) |
4.778" |
|
| Mag pri |
10.10 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
3.4 |
|
Spectral class |
K4 (yellow-orange) |
|
| Pri motion ra |
+058 |
|
Sec motion ra |
+029 |
|
| Pri motion dec |
-164 |
|
Sec motion dec |
-164 |
|
| Notes |
|
|
rPM=0.167 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Gemini |
|
Tycho2 |
1913-01825-1 |
|
Gaia DR2 |
871082593845125376 |
|
