04215-2544 HJ 3644 AB,D (NSV1574)
04h 21m 31.29s -25° 43' 42.4" P.A. 41.00 sep 43.7 mag 6.15,8.23 Sp F2V dist. 58.75 pc (191.64 l.y.)
| Coord 2000 |
04215-2544 |
|
Discov num |
HJ 3644 |
|
Comp |
AB,D |
|
Coord arcsec 2000 |
04 21 31.29 -25 43 42.4 |
|
| Date first |
1835 |
|
Date last |
2020 |
|
Obs |
22 |
|
| Pa first |
38 |
|
Pa last |
40.7 |
|
P.A. Now (θ) |
40.7° |
|
| Sep first |
40.0 |
|
Sep last |
43.67 |
|
Sep. Now (ρ) |
43.67" |
|
| Mag pri |
6.15 |
|
Mag sec |
8.23 |
|
delta mag (ΔM) |
2.08 |
|
Spectral class |
F2V (yellow-white) |
|
| Pri motion ra |
+066 |
|
Sec motion ra |
+049 |
|
| Pri motion dec |
-059 |
|
Sec motion dec |
-056 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.195 (< 0.3, Physical double)
This double is physical.
04215-2544 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
169368 |
04 21 31 -25 43 42 |
BU 744 AB |
2021 |
106 |
243 |
0.5 |
7.26 |
6.56 |
0.70 |
Y |
|
| Show |
|
169368 |
04 21 31 -25 43 42 |
HJ 3644 AB,C |
2015 |
8 |
1 |
41.1 |
6.15 |
12.80 |
6.65 |
|
|
| Show |
NSV1574 |
169368 |
04 21 31 -25 43 42 |
HJ 3644 AB,D |
2020 |
22 |
41 |
43.7 |
6.15 |
8.23 |
2.08 |
|
<=== |
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV1574 |
|
Constellation |
Eridanus |
|
SAO |
169368 |
|
HIP |
20347 |
|
| Tycho2 |
6460-03130-1 |
|
HD |
27710 |
|
HR |
1374 |
|
ADS |
3159 |
|
| CD |
CD-26 1642 |
|
CP |
CP-26 520 |
|
Distance |
58.75 |
|
Distance ly |
191.64 |
|
