15317+3746 TDS 9538 (Nu2 Boo)
15h 31m 44.44s +37° 46' 10.3" P.A. 243.00 sep 2.0 mag 11.39,12.63 dist. 119.05 pc (388.34 l.y.)
| Coord 2000 |
15317+3746 |
|
Discov num |
TDS9538 |
|
Comp |
|
|
Coord arcsec 2000 |
15 31 44.44 +37 46 10.3 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
243 |
|
Pa last |
242.5 |
|
P.A. Now (θ) |
242.5° |
|
| Sep first |
2.0 |
|
Sep last |
2.03 |
|
Sep. Now (ρ) |
2.03" |
|
| Mag pri |
11.39 |
|
Mag sec |
12.63 |
|
delta mag (ΔM) |
1.24 |
|
Spectral class |
|
|
| Pri motion ra |
-006 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
+009 |
|
Sec motion dec |
+009 |
|
| Notes |
X
(Dubious double) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
Nu2 Boo |
|
Constellation |
Corona Borealis |
|
SAO |
45590 |
|
HIP |
76041 |
|
| Tycho2 |
3052-01608-1 |
|
Gaia DR2 |
1375797051338643456 |
|
HD |
138629 |
|
HR |
5774 |
|
| GC |
20883 |
|
ADS |
9688 |
|
BD |
BD+41 2611 |
|
Bayer |
Nu 2 Bootis |
|
| Bayer name |
Nu2 Boo |
|
Distance |
119.05 |
|
Distance ly |
388.34 |
|
Bayer greek |
ν2 Boo |
|
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Boo vs CrB)
