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Doubles in session


Current system
21155+4202
HJL 1106
HD 202568


Nearby doubles
4' : 21155+4205
TDT2861

18' : 21142+4211
COU2226

20' : 21171+4206
TDT2883

21' : 21147+4143
POP1231

22' : 21144+4219
ES 1581

24' : 21161+4224
ES 1582

25' : 21133+4208
LDS2496

26' : 21151+4227
COU2228

28' : 21157+4135
POP 170

28' : 21169+4140
POP 186AB

33' : 21138+4228
LDS2497

35' : 21163+4129
ES 1688

39' : 21183+4140
COU2302AB

40' : 21144+4124
LDS2499

41' : 21119+4158
LDS2493

48' : 21121+4123
LDS2494

52' : 21202+4207
ES 1584

53' : 21183+4244
HJ 1634

54' : 21164+4110
ES 1689

54' : 21115+4233
COU2225

55' : 21197+4228
ES 1583AB

55' : 21143+4109
STT 432

56' : 21151+4257
COU2300

59' : 21206+4215
LDS2511AB

60' : 21206+4219
WSI 16

61' : 21208+4206
GRV 453



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.

21155+4202 HJL 1106 (HD 202568)

 
 
21h 15m 27.23s +42° 01' 34.9" P.A. 183.00 sep 459.8 mag 6.71,8.87 Sp G0+G0 dist. 67.43 pc (219.96 l.y.)
 
 
Coord 2000 21155+4202 Discov num HJL1106 Comp Coord arcsec 2000 21 15 27.23 +42 01 34.9
Date first 1895 Date last 2016 Obs 16
Pa first 183 Pa last 182.5 P.A. Now (θ) 182.5°
Sep first 460.0 Sep last 459.838 Sep. Now (ρ) 459.838"
Mag pri 6.71 Mag sec 8.87 delta mag (ΔM) 2.16 Spectral class G0+G0 (yellow/yellow)
Pri motion ra +059 Sec motion ra +060
Pri motion dec +130 Sec motion dec +130
Notes T (Parallax indicates physical)
rPM=0.007 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 202568 Constellation Cygnus SAO 50623 HIP 104941
Tycho2 3177-02340-1 Gaia DR2 1968984227368893440 HD 202568 GC 29740
BD BD+41 4056 Distance 67.43 Distance ly 219.96
 
 
WDS 21155+4202 HJL 1106 (HD 202568) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJL1981 - Halbwachs, J.L. 1981A&AS...44...47H
HJL1981 A&AS 44, 47, 1981
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
HJL2012 orb - Halbwachs, J.L., Arenou, F., Famaey, B., et al. .
HJL2012 SF2A-2012: Proc. Annual Meeting of the French Society of Astronomy & Astrophysics
HJL2012 87, ed. S. Boissier et al. (Paris: Soc. Francaise d'Astron. et d'Astrop.)
HJL2012b not - Halbwachs, J.L., Mayor, M., & Udry, S. 2012MNRAS.422...14H
HJL2012b MNRAS 422, 14, 2012
HJL2016 Kv j Halbwachs, J.L., Boffin, H.M.J., Le Bouquin, J.-B., Kiefer, F., Famaey, B., 2016MNRAS.455.3303H
HJL2016 Salomon, J.-B., Arenou, F., Pourbaix, D., Anthonioz, F., Grellmann, R., Guieu, S.,
HJL2016 Sana, H., et al.
HJL2016 MNRAS 455, 3303, 2016
HJL2020 Kv+ j Halbwachs, J.-L., Kiefer, F., Lebreton, Y., Boffin, H.M.J., Arenou, F., LeBouquin, 2020MNRAS.496.1355H
HJL2020 +orb J.-B., Famaey, B., Dourbaix, D., Guillout, P., Salomon, J.-B. & Mazeh, T.
HJL2020 MNRAS 496, 1355, 2020
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21155+4202 HJL1106 1998 2 183 459.6 6.71 8.87 D 211527.23+420134.9
21155+4202 HJL1106 2002 9 183 459.3 6.71 8.87 D 211527.23+420134.9
21155+4202 HJL1106 2010 10 183 459.9 6.71 8.87 K0III 211527.23+420134.9
21155+4202 HJL1106 2015 11 182 459.8 6.71 8.87 K0III W 211527.23+420134.9
21155+4202 HJL1106 2016 16 183 459.8 6.71 8.87 G0+G0 T 211527.23+420134.9

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 21155+4202 HJL 1106 (HD 202568) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21155+4202 HJL 1106 (HD 202568) : MEASURES
 
 
No records found.

 
 
WDS 21155+4202 (HD 202568) : VIRTUAL EYEPIECE
 
 

21155+4202 HJL1106A mag 6.71 Sp G0 21155+4202 HJL1106B sep 459.6 P.A. 181.90 mag 8.87 Sp G0 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21155+4202 (HD 202568) : ALADIN DSS IMAGE @ 21h 15m 27.23s +42° 01' 34.9"
 
 
 
 
WDS 21155+4202 HJL 1106 (HD 202568) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21155+4202 HJL1106 distance=0' 21155+4205 TDT2861 distance=4' 21142+4211 COU2226 distance=18' 21171+4206 TDT2883 distance=20' 21147+4143 POP1231 distance=21' 21144+4219 ES 1581 distance=22' 21161+4224 ES 1582 distance=24' 21133+4208 LDS2496 distance=25' 21151+4227 COU2228 distance=26' 21157+4135 POP 170 distance=28' 21169+4140 POP 186AB distance=28' 21169+4140 POP 186AC distance=28' 21169+4140 POP 186CD distance=29' 21138+4228 LDS2497 distance=33' 21163+4129 ES 1688 distance=35' 21183+4140 COU2302AB distance=39' 21183+4140 GII 30AB,C distance=39' 21144+4124 LDS2499 distance=40' 21119+4158 LDS2493 distance=41' 21121+4123 LDS2494 distance=48' 21202+4207 ES 1584 distance=52' 21183+4244 HJ 1634 distance=53' 21164+4110 ES 1689 distance=54' 21115+4233 COU2225 distance=54' 21197+4228 ES 1583BC distance=54' 21197+4228 ES 1583AB distance=55' 21197+4228 ABH 144AD distance=55' 21197+4228 ABH 144AE distance=55' 21197+4228 ABH 144AF distance=55' 21197+4228 ABH 144AG distance=55' 21197+4228 ABH 144AH distance=55' 21197+4228 ABH 144AI distance=55' 21197+4228 ABH 144AJ distance=55' 21197+4228 ABH 144AK distance=55' 21197+4228 ES 1583AC distance=55' 21143+4109 STT 432 distance=55' 21151+4257 COU2300 distance=56' 21206+4215 LDS2511AB distance=59' 21206+4215 LDS2511AC distance=59' 21206+4219 WSI 16 distance=60' 21208+4206 GRV 453 distance=61' 21161+4101 COU2229 distance=61' 21115+4115 STT 431BC distance=65' 21115+4115 STT 431AB distance=65' 21115+4115 STT 431AC distance=65' 21178+4302 A 616 distance=66' 21092+4152 LDS2491 distance=68' 21195+4253 FOX 259AB distance=68' 21193+4108 TDT2901 distance=69' 21097+4230 GRV 428 distance=70' 21118+4259 STJ 91 distance=71' grafico limitrofi
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 21155+4202 HJL1106 183 459.8
Show 21155+4205 TDT2861 287 2.4 4
Show 21142+4211 COU2226 120 0.3 18
Show 21171+4206 TDT2883 112 0.9 20
Show 21147+4143 POP1231 269 54.6 21
Show 21144+4219 ES 1581 50 4.6 22
Show 21161+4224 ES 1582 134 3.5 24
Show 21133+4208 LDS2496 274 45.8 25
Show 21151+4227 COU2228 28 0.5 26
Show 21157+4135 POP 170 75 1.4 28
Show 21169+4140 POP 186 AB 297 10.7 28
Show 21169+4140 POP 186 AC 130 60.7 28
Show 21169+4140 POP 186 CD 93 4.2 29
Show 21138+4228 LDS2497 110 36.7 33
Show 21163+4129 ES 1688 147 5.3 35
Show 21183+4140 COU2302 AB 63 1.3 39
Show 21183+4140 GII 30 AB,C 187 14.1 39
Show 21144+4124 LDS2499 320 6.2 40
Show 21119+4158 LDS2493 77 60.2 41
Show 21121+4123 LDS2494 212 2.0 48
Show 21202+4207 ES 1584 116 5.4 52
Show 21183+4244 HJ 1634 143 28.9 53
Show 21164+4110 ES 1689 136 3.3 54
Show 21115+4233 COU2225 82 2.1 54
Show 21197+4228 ES 1583 BC 77 6.0 54
Show 21197+4228 ES 1583 AB 238 13.0 55
Show 21197+4228 ABH 144 AD 112 64.4 55
Show 21197+4228 ABH 144 AE 219 27.2 55
Show 21197+4228 ABH 144 AF 245 62.8 55
Show 21197+4228 ABH 144 AG 238 82.9 55
Show 21197+4228 ABH 144 AH 22 41.7 55
Show 21197+4228 ABH 144 AI 117 69.6 55
Show 21197+4228 ABH 144 AJ 112 81.2 55
Show 21197+4228 ABH 144 AK 98 101.4 55
Show 21197+4228 ES 1583 AC 223 7.6 55
Show 21143+4109 STT 432 115 1.3 55
Show 21151+4257 COU2300 263 0.3 56
Show 21206+4215 LDS2511 AB 40 3.0 59
Show 21206+4215 LDS2511 AC 197 19.7 59
Show 21206+4219 WSI 16 149 8.2 60
Show 21208+4206 GRV 453 27 66.2 61
Show 21161+4101 COU2229 278 0.8 61
Show 21115+4115 STT 431 BC 354 57.1 65
Show 21115+4115 STT 431 AB 127 2.6 65
Show 21115+4115 STT 431 AC 356 55.4 65
Show 21178+4302 A 616 316 2.7 66
Show 21092+4152 LDS2491 184 17.0 68
Show 21195+4253 FOX 259 AB 307 12.5 68
Show 21193+4108 TDT2901 306 0.5 69
Show 21097+4230 GRV 428 142 40.9 70
Show 21118+4259 STJ 91 271 1.0 71

 
 
WDS 21155+4202 : COMPONENTS
 
 
  A
B pa=181.9°
sep=459.64"
 
 
21155+4202 A
 
 
Componente originario normalizzato AB Name HD 202568 Coord arcsec 2000 211527.23+420134.9 Mag 6.71
Spectral class G0 (yellow) PmRA 59.00 PmDE 130.0 SAO 50623
HIP 104941 Tycho2 3177-02340-1 HD 202568 GC 29740
BD BD+41 4056
Tycho2
Tycho2 3177-02340-1 Pflag RAmdeg 318.86349541 DEmdeg 42.02637915
PmRA 60.1 PmDE 129.0 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.9 EpRAm 1991.13 EpDEm 1991.35
Num 16 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.7 BTmag 7.737 E BTmag 0.015 VTmag 6.707
E VTmag 0.010 Prox 977 TYC T HIP 104941
CCDM RAdeg 318.86330639 DEdeg 42.02608194 EpRA 1990 1.57
EpDE 1990 1.71 E RAdeg 3.9 E DEdeg 3.7 Posflg
Corr 0.1
SAO
SAO 50623 DelFlag RA1950 PmRA1950 0.0055
DE1950 PmDE1950 0.14 Vmag 6.8 SpType G0
Double code Source 70 CatNum 29740 DM BD+41 4056
DMcomp BDsup HD 202568 M HD 0
GC 29740 RA1950rad 5.55689817 DE1950rad 0.72982407 PmRA2000 0.0057
PmDE2000 0.137
Hipparcos
Catalog H HIP 104941 Proxy RAhms 21 15 27.19
DEdms +42 01 33.8 Vmag 6.6 VarFlag R Vmag H
RAdeg 318.863 DEdeg 42.0261 AstroRef Plx 14.61
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 202568 BD BD+41 4056
CD CP Dm number +41 4056 VIred 0.9
SpType G0 R SpType Coord arcsec 2000 211527.19+420133.8
Hipparcos 2
HIP 104941 Sn 5 So 0 Nc 1
RArad 5.5652143667 DErad 0.7334932136 Plx 14.83 PmRA 59.37
PmDE 130.03 E RArad 0.25 E DErad 0.3 E Plx 0.38
E pmRA 0.33 E pmDE 0.36 Hpmag 6.7611 E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.903 E BV 0.006
VI 0.9
 
 
21155+4202 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211525.89+415355.5 Mag 8.87 Spectral class G0 (yellow)
PmRA 60.00 PmDE 130.0 Tycho2 3177-02598-1 Calc delta mag 2.16
Calc coord yes
Tycho2
Tycho2 3177-02598-1 Pflag RAmdeg 318.85592618 DEmdeg 41.89877092
PmRA 60.7 PmDE 130.9 E RAmdeg 8 E DEmdeg 8
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.00 EpDEm 1991.14
Num 6 Q RAmdeg 0.5 Q DEmdeg 0.6 Q pmRA 0.6
Q pmDE 0.6 BTmag 9.522 E BTmag 0.018 VTmag 8.873
E VTmag 0.014 Prox 999 TYC T HIP
CCDM RAdeg 318.85573722 DEdeg 41.89846944 EpRA 1990 1.66
EpDE 1990 1.71 E RAdeg 8.0 E DEdeg 7.5 Posflg
Corr 0.1