03035+2304 MET 20 AC (HD 18940)
03h 03m 28.58s +23° 03' 41.3" P.A. 209.00 sep 4.5 mag 5.50,10.71 Sp G0 dist. 34.03 pc (111.01 l.y.)
Coord 2000
03035+2304
Discov num
MET 20
Comp
AC
Coord arcsec 2000
03 03 28.58 +23 03 41.3
Date first
2002
Date last
2012
Obs
2
Pa first
204
Pa last
208.8
P.A. Now (θ)
208.8°
Sep first
4.1
Sep last
4.516
Sep. Now (ρ)
4.516"
Mag pri
5.50
Mag sec
10.71
delta mag (ΔM)
5.21
Spectral class
G0 (yellow)
Pri motion ra
+111
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N
K
(See Notes, 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
Nature of this double is uncertain.
03035+2304 SYSTEM COMPONENTS
Show
name
SAO
coord
wds_name
last
obs
pa
sep
mag1
mag2
d_mag
orb
current
Show
75711
03 03 29 +23 03 41
HDS 389 AB
2021
36
15
0.1
7.29
9.02
1.73
Y
Show
HD 18940
75711
03 03 29 +23 03 41
MET 20 AC
2012
2
209
4.5
5.50
10.71
5.21
<===
Show
75711
03 03 29 +23 03 41
MET 20 AD
2002
1
207
4.3
5.50
10.08
4.58
Show
03 03 28 +23 03 37
MET 20 CD
2012
2
100
0.4
10.71
10.08
0.63
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name
HD 18940
Constellation
Aries
SAO
75711
HIP
14230
Tycho2
1782-00090-1
Gaia DR2
109931856900594432
HD
18940
BD
BD+22 425
Distance
34.03
Distance ly
111.01
WDS 03035+2304 MET 20 AC (HD 18940) : NOTES
discov_num
notes
refcode
HDS 389
AB: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 1.50 +/- 0.27, 1.91, and 1.79 Msun, respectively.
Mlk2012
Primary is SB, P(AB)=2152d=5.89y. Metchev & Hillenbrand (2009)
Met2009
resolve AB and list two faint optical(?) companions at 4", dK~5.
Tok2014d
Teff for A & B : 6140 +/- 100 and 5300 +/- 100 K
Mda2018
R for A & B : 1.234+/-0.05 and 0.820+/-0.05 \rsun
L for A & B : 1.94 +/-0.08 and 0.48 +/-0.10 \lsun
M for A & B : 1.18 +/-0.22 and 0.84 +/-0.12 \msun
Age = 3.5 +/- 1.5 Gyr.
REFERENCES
refcode
metd
author
reference
Mda2018
not -
Masda, S.G., Al-Wardat, M.A. & Pathan, J.M.
2018JApA...39...58M
Mda2018
J Astrophys Astron 39, 58, 2018
Met2009
A j
Metchev, S.A. & Hillenbrand, L.A.
2009ApJS..181...62M
Met2009
+Ao
ApJS 181, 62, 2009
Mlk2012
not -
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A.
2012A&A...546A..69M
Mlk2012
A&A 546, A69, 2012
Tok2014d
E2 -
Tokovinin, A.
2014AJ....147...86T
Tok2014d
AJ 147, 86, 2014
DISCOVERER
idgroup
discov
author
1
HDS
Hipparcos Double Star (from additional DD list)
WDS HISTORIC DATA
coord_2000
discov_num
comp
epoch
obs
pa
sep
mag_pri
mag_sec
spectr
notes
coord_arcsec_2000
03035+2304
MET 20
AC
2002
1
204
4.1
7.12
12.00
G0
D
030328.58+230341.3
03035+2304
MET 20
AC
2012
2
209
4.5
5.50
10.71
G0
N K
030328.58+230341.3
If you need more information about this double, apply for a
data request form to the WDS.
WDS 03035+2304 MET 20 AC (HD 18940) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 03035+2304 MET 20 AC (HD 18940) : MEASURES
No records found.
WDS 03035+2304 (HD 18940) : 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 03035+2304 (HD 18940) : ALADIN DSS IMAGE @ 03h 03m 28.58s +23° 03' 41.3"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS
WDS 03035+2304 MET 20 AC (HD 18940) : 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
03035+2304
HDS 389
AB
15
0.1
Show
03035+2304
MET 20
AC
209
4.5
Show
03035+2304
MET 20
AD
207
4.3
Show
03035+2304
MET 20
CD
100
0.4
1
Show
03044+2314
GRV 158
217
14.0
18
Show
03022+2326
COU 681
115
0.7
28
Show
03032+2346
POU 236
222
6.9
42
Show
03047+2341
POU 240
317
11.2
42
Show
03039+2354
POU 238
BC
190
9.3
51
Show
03039+2354
POU 238
AB
129
18.3
51
Show
03039+2354
POU 237
AC
149
24.2
51
Show
03067+2344
AZC 29
203
25.5
60
Show
02596+2332
POU 233
354
1.9
62
Show
03051+2402
POU 241
49
13.0
63
Show
03026+2406
POU 235
AB
312
10.1
64
Show
03026+2406
POU 235
BC
261
3.6
64
Show
03076+2234
OCC 812
-1
0.1
65
Show
03019+2409
POU 234
12
12.1
69
Show
02585+2328
COU 679
223
1.6
73
Show
03088+2339
POU 247
319
13.5
82
Show
03055+2420
POU 242
184
4.8
82
Show
03071+2417
POU 243
89
10.9
90
Show
03009+2139
HU 431
20
1.0
90
Show
02586+2408
BU 1173
AB
100
0.2
93
Show
02586+2408
BU 1173
AB,C
283
4.8
93
Show
03053+2131
RAO 638
304
0.7
96
Show
03043+2128
OCC 751
-1
0.1
96
Show
03048+2448
UC 941
263
45.4
106
Show
03044+2118
JNN 23
300
0.4
107
Show
02589+2137
BU 525
275
0.5
108
Show
03107+2226
LDS3461
240
36.6
108
Show
03090+2420
POU 248
103
16.5
109
Show
03078+2435
POU 245
126
13.7
109
Show
03073+2439
POU 244
84
11.1
109
Show
02595+2440
POU 232
210
13.8
111
Show
03081+2435
STF 354
52
35.6
111
Show
03112+2225
EVT 2
Ba,Bb
90
0.0
114
Show
03112+2225
H 5 117
BC
178
14.9
114
Show
02562+2359
JNN 253
98
0.1
115
Show
03112+2225
H 5 117
AB
321
33.4
115
Show
03112+2225
H 5 117
AC
298
21.3
115
Show
03006+2454
LDS3447
236
140.3
117
Show
03080+2124
TDS2454
212
1.0
119
Show
02592+2120
STF 333
AB
210
1.3
120
Show
02592+2120
STF 333
AC
192
145.6
120
Show
03101+2145
BU 1030
AB
102
0.8
122
Show
03101+2145
POP 225
AB,C
44
48.2
122
Show
03101+2145
POP 225
AB,D
159
54.1
122
Show
03107+2154
OCC 734
-1
0.1
122
Show
03111+2406
POU 250
288
13.3
123
Show
02580+2124
J 233
234
4.8
126
WDS 03035+2304 : COMPONENTS
A
B
C
B
pa=13.4°
sep=0.14"
C
pa=194.4°
sep=4.44"
pa=194.4°
sep=4.58"
D
pa=205.4°
sep=4.25"
pa=205.0°
sep=4.39"
pa=302.6°
sep=0.85"
03035+2304 A
Coord arcsec 2000
030328.58+230341.3
Mag
7.29
Spectral class
F8V (yellow-white)
PmRA
112.00
PmDE
3.0
SAO
75711
HIP
14230
Tycho2
1782-00090-1
HD
18940
GC
3657
BD
BD+22 425
Tycho2
1782-00090-1
Pflag
RAmdeg
45.86939971
DEmdeg
23.06146853
PmRA
111.4
PmDE
-0.7
E RAmdeg
4
E DEmdeg
5
E pmRA
0.8
E pmDE
0.7
EpRAm
1991.35
EpDEm
1990.88
Num
19
Q RAmdeg
0.8
Q DEmdeg
1.2
Q pmRA
0.9
Q pmDE
1.4
BTmag
7.814
E BTmag
0.015
VTmag
7.134
E VTmag
0.010
Prox
924
TYC
T
HIP
14230
CCDM
AB
RAdeg
45.86912278
DEdeg
23.06147028
EpRA 1990
1.77
EpDE 1990
1.62
E RAdeg
4.1
E DEdeg
4.7
Posflg
P
Corr
-0.4
SAO
75711
DelFlag
RA1950
PmRA1950
0.0075
DE1950
PmDE1950
0.019
Vmag
7.1
SpType
G0
Double code
Source
70
CatNum
3657
DM
BD+22 425
DMcomp
BDsup
HD
18940
M HD
0
GC
3657
RA1950rad
0.78789122
DE1950rad
0.39909765
PmRA2000
0.0075
PmDE2000
0.015
Catalog
H
HIP
14230
Proxy
H
RAhms
03 03 28.58
DEdms
+23 03 41.3
Vmag
7.09
VarFlag
R Vmag
G
RAdeg
45.8691
DEdeg
23.0615
AstroRef
*
Plx
29.62
CCDM
03035+2304
N CCDM
H
Nsys
1
Ncomp
2
MultFlag
C
Source
Qual
A
M HIP
AB
Theta
15
Rho
0.165
HD
18940
BD
BD+22 425
CD
CP
Dm number
+22 425
VIred
0.69
SpType
G0
R SpType
Coord arcsec 2000
030328.58+230341.3
HIP
14230
Sn
55
So
3
Nc
2
RArad
0.8005668524
DErad
0.4024985879
Plx
29.39
PmRA
106.97
PmDE
2.42
E RArad
0.91
E DErad
0.55
E Plx
1.09
E pmRA
1.2
E pmDE
1.04
Hpmag
7.1774
E Hpmag
0.001
SHp
0.008
VA
0
BV
0.624
E BV
0.006
VI
0.69
Ccdm
03035+2304
RComp
Comp
A
Note1
Note2
Discov num
DRAs
-1.34
DDEs
-18.7
R dRAs
82
Year
Theta
Rho
Obs
2
Vmag
7.4
Sp
G0
PmNote
*
PmRA
112
PmDE
3
Dm number
+22 425
Cat1
BD
Name2
+22 275
Cat2
AGK2/3
HD
18940
M HD
ADS BDS
M ADS BDS
N IDS
IDS
HIC
14230
03035+2304 B
Coord arcsec 2000
030328.58+230341.4
Mag
9.02
Spectral class
K0V (yellow-orange)
Calc delta mag
1.73
Calc coord
yes
Ccdm
03035+2304
RComp
Comp
B
Note1
Note2
Discov num
HDS
DRAs
-1.34
DDEs
-18.5
R dRAs
82
Year
1991
Theta
15
Rho
0.2
Obs
1
Vmag
9.1
Sp
PmNote
*
PmRA
112
PmDE
3
Dm number
Cat1
Name2
Cat2
HD
M HD
ADS BDS
M ADS BDS
N IDS
IDS
HIC
14230
03035+2304 C
Coord arcsec 2000
030328.50+230337.0
Coord calc
030328.50+230337.0
Mag
10.71
Calc delta mag
3.42
03035+2304 D
Coord arcsec 2000
030328.45+230337.5
Mag
10.08
Calc delta mag
2.79
Calc coord
yes