00251+4803 SOZ 4 AB,D (HD 2057)
00h 25m 08.74s +48° 02' 51.0" P.A. 259.00 sep 13.8 mag 6.38,12.50 Sp F8+M5 dist. 43.82 pc (142.94 l.y.)
Coord 2000
00251+4803
Discov num
SOZ 4
Comp
AB,D
Coord arcsec 2000
00 25 08.74 +48 02 51.0
Date first
2015
Date last
2015
Obs
2
Pa first
259
Pa last
258.6
P.A. Now (θ)
258.6°
Sep first
13.8
Sep last
13.826
Sep. Now (ρ)
13.826"
Mag pri
6.38
Mag sec
12.50
delta mag (ΔM)
6.12
Spectral class
F8+M5 (yellow-white/red)
Pri motion ra
+274
Sec motion ra
+283
Pri motion dec
+011
Sec motion dec
-003
Notes
N
V
K
(See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
rPM=0.059 (< 0.3, Physical double)
This double is physical.
00251+4803 SYSTEM COMPONENTS
Show
name
SAO
coord
wds_name
last
obs
pa
sep
mag1
mag2
d_mag
orb
current
Show
36347
00 25 09 +48 02 51
HDS 56 AB
2013
17
273
0.3
7.72
10.63
2.91
Y
Show
36347
00 25 09 +48 02 51
CRZ 2 AC
2015
2
193
121.2
7.53
14.70
7.17
Show
HD 2057
36347
00 25 09 +48 02 51
SOZ 4 AB,D
2015
2
259
13.8
6.38
12.50
6.12
<===
Show
00 25 04 +47 59 19
RED 14 Ca,Cb
2005
2
233
0.3
16.23
16.40
0.17
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name
HD 2057
Constellation
Cassiopeia
SAO
36347
HIP
1987
Tycho2
3252-00597-1
Gaia DR2
392562179817077120
HD
2057
BD
BD+47 88
Distance
43.82
Distance ly
142.94
WDS 00251+4803 SOZ 4 AB,D (HD 2057) : NOTES
discov_num
notes
refcode
CRZ 2
BDK 2. G 171-58 + 2MASS J00250365+4759191. Distance 42.2 +2.0/-1.8
pc for primary, 31 +/- 6 pc for secondary. Estimated ages of
components are discrepant: 1.8-3.5 Gyr for primary, versus 0.1-0.5 Gyr
for secondary. The primary is a spectroscopic binary resolved by
Hip1997a
Hipparcos, the secondary a close (~10au) L4+L4 pair, resolved by Reid
Red2006b
(2006).
Fah2010
HDS 56
Aa,Ab: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 1.30 +/- 0.21, 1.85, and 1.10 Msun, respectively.
Mlk2012
RED 14
Ba,Bb: 2MASS J00250365+4759191. Spectral types L4 and L4
Red2006b
REFERENCES
refcode
metd
author
reference
Fah2010
C -
Faherty, J.K., Burgasser, A.J., West, A.A., Bochanski, J.J., Cruz, K.L., Shara, .
2010AJ....139..176F
Fah2010
M.M., & Walter, F.W
Fah2010
AJ 139, 176, 2010
HIP1997a
Hh -
Hipparcos
1997yCat.1239....0E
HIP1997a
Hipparcos Catalog, ESA SP-1200, 1997 (incl. Hp photometry, vol. 10)
Mlk2012
not -
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A.
2012A&A...546A..69M
Mlk2012
A&A 546, A69, 2012
Red2006b
Hn j
Reid, I.N., Lewitus, E., Allen, P., Cruz, K.L., & Burgasser, A.J.,
2006AJ....132..891R
Red2006b
+E2
AJ 132, 891, 2006
DISCOVERER
idgroup
discov
author
1
CRZ
Cruz, K.L., Reid, I.N., Kirkpatrick, J.D., Burgasser, A.J. Liebert, J.,
1
CRZ
Solomon, A.R., Schmidt, S.J., Allen, P.R., Hawley, S.L., & Covey, K.R.
2
HDS
Hipparcos Double Star (from additional DD list)
2
SOZ
Scholz, R.-D., McCaughrean, M.J., Lodieu, N., & Kuhlbrodt, B.
12
SOZ
Niemczura, E., Scholz, R.-D., Hubrig, S., Jarvinen, S.P., Scholler,M., Ilyin, I. &
12
SOZ
Kahraman Alicavus, F.
WDS HISTORIC DATA
coord_2000
discov_num
comp
epoch
obs
pa
sep
mag_pri
mag_sec
spectr
notes
coord_arcsec_2000
00251+4803
SOZ 4
AB,D
2000
1
258
13.7
6.38
12.50
F8+M5
V K
002508.70+480250.9
00251+4803
SOZ 4
AB,D
2015
2
259
13.8
6.38
12.50
F8+M5
V K
002508.74+480251.0
If you need more information about this double, apply for a
data request form to the WDS.
WDS 00251+4803 SOZ 4 AB,D (HD 2057) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 00251+4803 SOZ 4 AB,D (HD 2057) : MEASURES
No records found.
WDS 00251+4803 (HD 2057) : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
WDS 00251+4803 (HD 2057) : ALADIN DSS IMAGE @ 00h 25m 08.74s +48° 02' 51.0"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS
WDS 00251+4803 SOZ 4 AB,D (HD 2057) : NEIGHBORHOODS
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show
name
coord_2000
discov#
comp
pa
sep
dist(')
Show
00251+4803
HDS 56
AB
273
0.3
1
Show
00251+4803
CRZ 2
AC
193
121.2
1
Show
00251+4803
SOZ 4
AB,D
259
13.8
1
Show
00251+4803
RED 14
Ca,Cb
233
0.3
4
Show
00223+4820
J 2384
189
5.3
33
Show
00251+4729
UC 363
158
8.8
35
Show
00221+4822
J 9001
84
4.4
38
Show
00265+4723
UC 366
115
8.9
42
Show
00290+4825
HDS 64
114
0.3
44
Show
00259+4849
LDS3167
88
283.8
48
Show
00204+4802
LDS3153
131
220.0
48
Show
00299+4751
TDS1491
314
0.7
50
Show
00210+4737
HDS 45
161
0.2
50
Show
00232+4716
A 804
AB
322
1.8
51
Show
00232+4716
HJ 1960
AC
198
23.5
51
Show
00212+4850
ES 1198
181
9.3
62
Show
00202+4842
TDS1407
312
0.6
63
Show
00216+4856
HU 505
134
1.8
64
Show
00308+4732
BU 394
AB
278
0.8
65
Show
00308+4732
TOK 223
AC
201
105.5
65
Show
00311+4833
LDS3174
63
15.5
68
Show
00240+4912
HDS 55
314
0.1
71
Show
00220+4913
SKF1600
AB
303
2.3
77
Show
00220+4913
BWL 3
AC
94
2.7
77
Show
00220+4913
BWL 3
AD
358
5.9
77
Show
00196+4900
COU2001
26
1.4
80
Show
00205+4911
ES 1197
107
5.6
83
Show
00283+4645
ES 1202
30
2.2
84
Show
00298+4915
HU 508
352
1.7
86
Show
00334+4739
A 911
314
0.7
87
Show
00203+4650
COU1852
268
0.7
87
Show
00315+4904
HU 509
AB
56
2.6
89
Show
00315+4904
FOX 110
AC
189
16.6
89
Show
00315+4904
FOX 110
AD
141
35.7
89
Show
00165+4749
BVD 172
301
20.1
89
Show
00238+4635
ES 1201
62
5.6
90
Show
00306+4919
OL 86
214
1.2
91
Show
00317+4702
COU1853
13
0.9
91
Show
00234+4633
ES 1200
BC
59
1.8
91
Show
00234+4932
TDS1434
195
0.4
92
Show
00234+4633
ES 1200
AB
326
46.9
92
Show
00309+4917
ES 1129
265
1.2
94
Show
00345+4755
KPP3133
323
3.4
95
Show
00197+4639
ES 1196
189
4.8
97
Show
00160+4835
HJ 1009
AB
28
16.3
98
Show
00160+4835
HJ 1009
AC
138
36.5
98
Show
00157+4730
KPP2491
16
22.3
101
Show
00304+4638
ROE 60
300
12.4
101
Show
00152+4723
TDS1360
AB
107
2.2
109
Show
00350+4850
HJ 1985
147
18.8
109
Show
00326+4643
ROE 61
102
13.8
111
WDS 00251+4803 : COMPONENTS
A
B
C
Cb
B
pa=274.0°
sep=0.22"
C
pa=193.5°
sep=217.97"
pa=193.5°
sep=217.93"
Cb
pa=193.6°
sep=218.21"
pa=193.5°
sep=218.17"
pa=221.3°
sep=0.27"
D
pa=253.2°
sep=9.46"
pa=252.7°
sep=9.26"
pa=11.4°
sep=213.34"
pa=11.4°
sep=213.58"
00251+4803 A
Coord arcsec 2000
002508.74+480251.0
Mag
7.72
Spectral class
F8 (yellow-white)
PmRA
274.00
PmDE
11.0
SAO
36347
HIP
1987
Tycho2
3252-00597-1
HD
2057
GC
489
BD
BD+47 88
Tycho2
3252-00597-1
Pflag
RAmdeg
6.28643411
DEmdeg
48.04747170
PmRA
282.1
PmDE
3.9
E RAmdeg
5
E DEmdeg
5
E pmRA
1.0
E pmDE
1.0
EpRAm
1991.19
EpDEm
1991.29
Num
14
Q RAmdeg
1.4
Q DEmdeg
1.2
Q pmRA
1.4
Q pmDE
1.3
BTmag
8.263
E BTmag
0.016
VTmag
7.593
E VTmag
0.011
Prox
630
TYC
T
HIP
1987
CCDM
AB
RAdeg
6.28546778
DEdeg
48.04746306
EpRA 1990
1.76
EpDE 1990
1.76
E RAdeg
5.2
E DEdeg
4.9
Posflg
P
Corr
0.1
SAO
36347
DelFlag
RA1950
PmRA1950
0.0268
DE1950
PmDE1950
0.026
Vmag
7.6
SpType
F8
Double code
Source
70
CatNum
489
DM
BD+47 88
DMcomp
BDsup
HD
2057
M HD
0
GC
489
RA1950rad
0.09787357
DE1950rad
0.83375789
PmRA2000
0.0271
PmDE2000
0.021
Catalog
H
HIP
1987
Proxy
H
RAhms
00 25 08.50
DEdms
+48 02 50.9
Vmag
7.52
VarFlag
R Vmag
G
RAdeg
6.28541
DEdeg
48.0475
AstroRef
*
Plx
23.69
CCDM
00251+4803
N CCDM
H
Nsys
1
Ncomp
2
MultFlag
C
Source
Qual
A
M HIP
AB
Theta
242
Rho
0.277
HD
2057
BD
BD+47 88
CD
CP
Dm number
+47 88
VIred
0.7
SpType
F8
R SpType
Coord arcsec 2000
002508.50+480250.9
HIP
1987
Sn
55
So
3
Nc
2
RArad
0.1097010688
DErad
0.8385863647
Plx
22.82
PmRA
274.96
PmDE
11.68
E RArad
0.65
E DErad
0.64
E Plx
0.88
E pmRA
0.71
E pmDE
0.77
Hpmag
7.6489
E Hpmag
0.0013
SHp
0.011
VA
0
BV
0.629
E BV
0.015
VI
0.7
Ccdm
00251+4803
RComp
Comp
A
Note1
Note2
Discov num
DRAs
2.74
DDEs
-9.0
R dRAs
82
Year
Theta
Rho
Obs
2
Vmag
7.7
Sp
F8
PmNote
*
PmRA
274
PmDE
11
Dm number
+47 88
Cat1
BD
Name2
+47 35
Cat2
AGK2/3
HD
2057
M HD
ADS BDS
M ADS BDS
N IDS
IDS
HIC
1987
00251+4803 B
Coord arcsec 2000
002508.72+480251.0
Mag
10.63
Calc delta mag
2.91
Calc coord
yes
Ccdm
00251+4803
RComp
Comp
B
Note1
Note2
Discov num
HDS
DRAs
2.71
DDEs
-9.2
R dRAs
82
Year
1991
Theta
242
Rho
0.3
Obs
1
Vmag
10.6
Sp
PmNote
*
PmRA
274
PmDE
11
Dm number
Cat1
Name2
Cat2
HD
M HD
ADS BDS
M ADS BDS
N IDS
IDS
HIC
1987
00251+4803 C
Coord arcsec 2000
002503.65+475919.1
Coord calc
002506.88+480053.0
Mag
16.23
Mag composta
14.7
Spectral class
L4 (very deep red)
Calc delta mag
8.51
00251+4803 Cb
Coord arcsec 2000
002503.63+475918.9
Mag
16.4
Spectral class
L4 (very deep red)
Calc delta mag
8.68
Calc coord
yes
00251+4803 D
Coord arcsec 2000
002507.84+480248.3
Mag
12.5
Spectral class
M5 (red)
PmRA
283.00
PmDE
-3.0
Calc delta mag
4.78
Calc coord
yes