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Doubles in session


Current system
02020+0246
STF 202 AB
Alrescha


Nearby doubles
21' : 02022+0225
KPP3147

28' : 02039+0242
LDS3341

30' : 02013+0218
CLZ 19

42' : 01594+0258
A 2410

52' : 02020+0154
LDS3337

56' : 01583+0250
GWP 245

61' : 02061+0252
BAL1621

63' : 01592+0330
LDS3331

65' : 02063+0238
UC 26

70' : 02057+0203
NSC 11

71' : 02021+0355
OSV 1

84' : 02076+0244
UC 688

89' : 02017-0645
CAB 19

90' : 01569+0332
LDS3325

92' : 02003+0413
GIC9006

94' : 02024+0419
SCA 172AB

95' : 02001+0115
BAL 954

99' : 01571+0141
A 2409

99' : 02068+0354
HDS 281

99' : 02006+0422
UC 660

101' : 01554+0257
A 2407

108' : 01559+0151
STF 186

109' : 01556+0335
BAL2096

112' : 01598+0432
XMI 4

112' : 02011+0055
KPP3473

115' : 01556+0146
BU 1367



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 02020+0246 : COMPONENTS
 
 
  A B C
B pa=263.5°
sep=1.93"
 
C pa=63.3°
sep=404.50"
pa=63.4°
sep=406.31"
 
D pa=334.5°
sep=434.40"
pa=334.8°
sep=433.78"
pa=291.0°
sep=587.03"
 
 
02020+0246 A
 
 
Common name Alrescha Meaning cords, tapes Other names Alrisha, Alresha, Kaitain, Okda Coord arcsec 2000 020202.80+024549.4
Mag 4.1 Spectral class A0p (white) PmRA 42.00 PmDE -11.0
SAO 110291 HIP 9487 Tycho2 0040-01338-1 HD 12446
HR 596 GC 2452 BD BD+02 317 Bayer Alpha Piscium
Bayer name Alp Psc Flamsteed 113 Piscium Flamsteed name 113 Psc
Tycho2
Tycho2 0040-01338-1 Pflag P RAmdeg 30.51169807 DEmdeg 2.76374242
PmRA 41.8 PmDE -11.0 E RAmdeg 3 E DEmdeg 4
E pmRA 2.3 E pmDE 2.2 EpRAm 1991.81 EpDEm 1991.70
Num 3 Q RAmdeg 0.0 Q DEmdeg 0.2 Q pmRA 0.1
Q pmDE 0.3 BTmag 4.048 E BTmag 0.014 VTmag 4.100
E VTmag 0.009 Prox 19 TYC T HIP 9487
CCDM A RAdeg 30.51167361 DEdeg 2.76375639 EpRA 1990 1.84
EpDE 1990 1.75 E RAdeg 3.4 E DEdeg 3.6 Posflg D
Corr -0.3
SAO
SAO 110291 DelFlag RA1950 PmRA1950 0.002
DE1950 PmDE1950 0 Vmag 4.3 SpType A2p
Double code Source 70 CatNum 2452 DM BD+02 317
DMcomp BDsup HD 12446 M HD 9
GC 2452 RA1950rad 0.52122745 DE1950rad 0.04403581 PmRA2000 0.0022
PmDE2000 -0.005
Hipparcos
Catalog H HIP 9487 Proxy H RAhms 02 02 02.80
DEdms +02 45 49.5 Vmag 3.82 VarFlag 1 R Vmag G
RAdeg 30.5117 DEdeg 2.76376 AstroRef A Plx 23.45
CCDM 02020+0246 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 279 Rho 1.876 HD 12446 BD BD+02 317
CD CP Dm number +02 317 VIred 0.05
SpType A2 R SpType Coord arcsec 2000 020202.80+024549.5
Hipparcos 2
HIP 9487 Sn 15 So 3 Nc 2
RArad 0.5325290992 DErad 0.0482367341 Plx 21.66 PmRA 32.45
PmDE 0.04 E RArad 0.91 E DErad 0.57 E Plx 1.06
E pmRA 1.01 E pmDE 0.72 Hpmag 3.8281 E Hpmag 0.0009
SHp 0.007 VA 1 BV 0.024 E BV 0.023
VI 0.05
CCDM
Ccdm 02020+0246 RComp Comp A Note1
Note2 Discov num DRAs 2.82 DDEs -10.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 4.3 Sp A2 PmNote *
PmRA 35 PmDE 2 Dm number +02 317 Cat1 BD
Name2 +02 204 Cat2 AGK2/3 HD 12447 M HD
ADS BDS A 1615 M ADS BDS N IDS IDS 01569N0217A
HIC 9487
 
 
02020+0246 B
 
 
Coord arcsec 2000 020202.67+024549.2 Mag 5.17 Spectral class A3m (white) PmRA 42.00
PmDE -11.0 Tycho2 0040-01338-2 Calc delta mag 1.07 Calc coord yes
Tycho2
Tycho2 0040-01338-2 Pflag P RAmdeg 30.51169807 DEmdeg 2.76374242
PmRA 41.8 PmDE -11.0 E RAmdeg 3 E DEmdeg 4
E pmRA 2.3 E pmDE 2.2 EpRAm 1991.81 EpDEm 1991.70
Num 3 Q RAmdeg 0.0 Q DEmdeg 0.2 Q pmRA 0.1
Q pmDE 0.3 BTmag 5.445 E BTmag 0.014 VTmag 5.167
E VTmag 0.009 Prox 19 TYC T HIP 9487
CCDM B RAdeg 30.51116500 DEdeg 2.76383611 EpRA 1990 1.88
EpDE 1990 1.77 E RAdeg 3.6 E DEdeg 3.9 Posflg D
Corr -0.3
CCDM
Ccdm 02020+0246 RComp Comp B Note1 *
Note2 Discov num STF 202 DRAs DDEs
R dRAs Year 1831 Theta Rho
Obs 99 Vmag 5.2 Sp A2 PmNote
PmRA 33 PmDE -30 Dm number Cat1
Name2 Cat2 HD 12446 M HD
ADS BDS A 1615 M ADS BDS N IDS IDS 01569N0217B
HIC 9487
 
 
02020+0246 C
 
 
Coord arcsec 2000 020226.91+024851.3 Mag 8.25 PmRA 36.00 PmDE -10.0
SAO 110293 HIP 9519 Tycho2 0040-00236-1 HD 12484
BD BD+02 320 Calc delta mag 4.15 Calc coord yes
Tycho2
Tycho2 0040-00236-1 Pflag RAmdeg 30.61139256 DEmdeg 2.81585458
PmRA 39.9 PmDE -10.3 E RAmdeg 8 E DEmdeg 8
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.90 EpDEm 1990.90
Num 8 Q RAmdeg 2.1 Q DEmdeg 0.4 Q pmRA 2.0
Q pmDE 0.4 BTmag 8.974 E BTmag 0.020 VTmag 8.246
E VTmag 0.015 Prox 999 TYC T HIP 9519
CCDM RAdeg 30.61130028 DEdeg 2.81587806 EpRA 1990 1.76
EpDE 1990 1.77 E RAdeg 7.9 E DEdeg 8.2 Posflg
Corr -0.2
SAO
SAO 110293 DelFlag RA1950 PmRA1950 0.0012
DE1950 PmDE1950 -0.022 Vmag 8.3 SpType F8
Double code Source 30 CatNum 573 DM BD+02 320
DMcomp BDsup HD 12484 M HD 0
GC RA1950rad 0.52296129 DE1950rad 0.04495074 PmRA2000 0.0014
PmDE2000 -0.027
Hipparcos
Catalog H HIP 9519 Proxy RAhms 02 02 26.71
DEdms +02 48 57.2 Vmag 8.18 VarFlag 1 R Vmag H
RAdeg 30.6113 DEdeg 2.81588 AstroRef Plx 21.24
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 12484 BD BD+02 320
CD CP Dm number +02 320 VIred 0.74
SpType F8 R SpType Coord arcsec 2000 020226.71+024857.2
Hipparcos 2
HIP 9519 Sn 5 So 0 Nc 1
RArad 0.5342677822 DErad 0.0491463747 Plx 19.61 PmRA 34.45
PmDE -10.01 E RArad 0.78 E DErad 0.67 E Plx 0.97
E pmRA 0.91 E pmDE 0.76 Hpmag 8.3144 E Hpmag 0.0033
SHp 0.02 VA 0 BV 0.649 E BV 0.02
VI 0.71
 
 
02020+0246 D
 
 
Coord arcsec 2000 020150.33+025221.6 Mag 8.59 PmRA -70.00 PmDE -207.0
SAO 110287 HIP 9466 Tycho2 0040-00272-1 HD 12415
BD BD+02 315 Calc delta mag 4.49 Calc coord yes
Tycho2
Tycho2 0040-00272-1 Pflag RAmdeg 30.45668710 DEmdeg 2.87143081
PmRA -67.6 PmDE -203.0 E RAmdeg 9 E DEmdeg 10
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.67 EpDEm 1990.57
Num 8 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.2 BTmag 9.182 E BTmag 0.021 VTmag 8.593
E VTmag 0.016 Prox 999 TYC T HIP 9466
CCDM RAdeg 30.45684222 DEdeg 2.87189833 EpRA 1990 1.74
EpDE 1990 1.70 E RAdeg 9.0 E DEdeg 10.4 Posflg
Corr -0.2
SAO
SAO 110287 DelFlag RA1950 PmRA1950 -0.0059
DE1950 PmDE1950 -0.222 Vmag 8.8 SpType G0
Double code Source 30 CatNum 569 DM BD+02 315
DMcomp BDsup HD 12415 M HD 0
GC RA1950rad 0.52028622 DE1950rad 0.04596254 PmRA2000 -0.0057
PmDE2000 -0.226
Hipparcos
Catalog H HIP 9466 Proxy RAhms 02 01 49.64
DEdms +02 52 18.9 Vmag 8.57 VarFlag R Vmag G
RAdeg 30.4568 DEdeg 2.87192 AstroRef Plx 13.4
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 12415 BD BD+02 315
CD CP Dm number +02 315 VIred 0.6
SpType G0 R SpType Coord arcsec 2000 020149.64+025218.9
Hipparcos 2
HIP 9466 Sn 5 So 0 Nc 1
RArad 0.5315722576 DErad 0.0501244616 Plx 11.45 PmRA -71.84
PmDE -204.62 E RArad 0.96 E DErad 0.91 E Plx 1.08
E pmRA 1.29 E pmDE 1.12 Hpmag 8.6758 E Hpmag 0.0017
SHp 0.012 VA 0 BV 0.531 E BV 0.002
VI 0.6