02507+1601 BPM 61 (Eta Per)
02h 50m 44.11s +16° 01' 25.7" P.A. 122.00 sep 23.5 mag 16.00,16.40 dist. 58.31 pc (190.21 l.y.)
| Coord 2000 |
02507+1601 |
|
Discov num |
BPM 61 |
|
Comp |
|
|
Coord arcsec 2000 |
02 50 44.11 +16 01 25.7 |
|
| Date first |
1996 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
122 |
|
Pa last |
121.7 |
|
P.A. Now (θ) |
121.7° |
|
| Sep first |
23.6 |
|
Sep last |
23.538 |
|
Sep. Now (ρ) |
23.538" |
|
| Mag pri |
16.00 |
|
Mag sec |
16.40 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
| Pri motion ra |
+040 |
|
Sec motion ra |
+039 |
|
| Pri motion dec |
-018 |
|
Sec motion dec |
-019 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.032 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
Eta Per |
|
Constellation |
Aries |
|
SAO |
93140 |
|
HIP |
13269 |
|
| Tycho2 |
3704-01332-1 |
|
Gaia DR2 |
33483084003709056 |
|
HD |
17506 |
|
HR |
834 |
|
| GC |
3390 |
|
ADS |
2157 |
|
DM |
BD+55 714 |
|
BD |
BD+18 359 |
|
| Bayer |
Eta Persei |
|
Bayer name |
Eta Per |
|
Flamsteed |
15 Persei |
|
Flamsteed name |
15 Per |
|
| FK5 |
99 |
|
Distance |
58.31 |
|
Distance ly |
190.21 |
|
Bayer greek |
η Per |
|
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Per vs Ari)
