12544-5826 EVS 21 AB (S Cru)
12h 54m 21.99s -58° 25' 50.2" P.A. 20.00 sep 12.1 mag 6.60,17.90 Sp F7Ib/II dist. 699.3 pc (2281.12 l.y.)
Coord 2000 |
12544-5826 |
|
Discov num |
EVS 21 |
|
Comp |
AB |
|
Coord arcsec 2000 |
12 54 21.99 -58 25 50.2 |
|
Date first |
2011 |
|
Date last |
2015 |
|
Obs |
2 |
|
Pa first |
20 |
|
Pa last |
20.2 |
|
P.A. Now (θ) |
20.2° |
|
Sep first |
11.9 |
|
Sep last |
12.08 |
|
Sep. Now (ρ) |
12.08" |
|
Mag pri |
6.60 |
|
Mag sec |
17.90 |
|
delta mag (ΔM) |
11.3 |
|
Spectral class |
F7Ib/II (yellow-white) |
|
Pri motion ra |
-009 |
|
Sec motion ra |
-006 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-000 |
|
Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
rPM=0.447
This double is not physical.
12544-5826 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
S Cru |
240362 |
12 54 22 -58 25 50 |
EVS 21 AB |
2015 |
2 |
20 |
12.1 |
6.60 |
17.90 |
11.30 |
|
<=== |
Show |
|
240362 |
12 54 22 -58 25 50 |
EVS 21 AC |
2015 |
2 |
70 |
13.9 |
6.60 |
16.59 |
9.99 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
S Cru |
|
Constellation |
Crux |
|
SAO |
240362 |
|
HIP |
62986 |
|
Tycho2 |
8660-02647-1 |
|
Gaia DR2 |
6060173364061645696 |
|
HD |
112044 |
|
HR |
4895 |
|
GC |
17509 |
|
CD |
CD-57 4766 |
|
CP |
CP-57 5776 |
|
Distance |
699.3 |
|
Distance ly |
2281.12 |
|
WDS 12544-5826 EVS 21 AB (S Cru) : NOTES
discov_num |
notes |
refcode |
EVS 21 |
Primary is the Cepheid S Cru. |
Evs2016a |
REFERENCES
refcode |
metd |
author |
reference |
Evs2016a |
H3 - |
Evans, N.R., Bond, H.E., Schaefer, G.H., Mason, B.D., Tingle, E., Karovska, M., & |
2016AJ....151..129E |
Evs2016a |
|
Pillitteri, I. |
|
Evs2016a |
|
AJ 151, 129, 2016 |
|
Evs2016a |
|
(some theta values replaced with more precise values from Evs2016b) |
2016AJ....151..108E |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
12544-5826 |
EVS 21 |
AB |
2011 |
1 |
20 |
11.9 |
6.60 |
17.90 |
F7Ib/II |
NU |
125421.99-582550.2 |
12544-5826 |
EVS 21 |
AB |
2015 |
2 |
20 |
12.1 |
6.60 |
17.90 |
F7Ib/II |
NU |
125421.99-582550.2 |
If you need more information about this double, apply for a
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WDS 12544-5826 EVS 21 AB (S Cru) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 12544-5826 EVS 21 AB (S Cru) : MEASURES
No records found.
WDS 12544-5826 (S Cru) : VIRTUAL EYEPIECE
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WDS 12544-5826 (S Cru) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.