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Doubles in session


Current system
18420+4231
BVD 263


Nearby doubles
20' : 18436+4237
ES 478

23' : 18439+4231
DEA 192

30' : 18409+4204
SLW1220

34' : 18440+4256
COU1791

35' : 18450+4239
HDS2657

36' : 18448+4215
KPP1029

36' : 18452+4227
KOI 10AB

37' : 18442+4259
KOI4599

48' : 18461+4241
DEA 137

49' : 18455+4202
STF2394

54' : 18386+4309
NSN 706

54' : 18468+4224
KOI2914AB

54' : 18445+4317
KOI4419AB

55' : 18442+4319
KOI2734

56' : 18445+4318
DEA 134

57' : 18406+4325
DEA 159

58' : 18442+4321
DEA 409

59' : 18463+4304
KOI3995

60' : 18380+4151
UC 3630

62' : 18467+4303
ES 1425

62' : 18466+4157
KOI3284AB

62' : 18473+4249
KOI4136

62' : 18456+4317
DEA 122

62' : 18440+4328
HJ 1342

64' : 18476+4217
KOI4184

65' : 18452+4325
KOI 684



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.

18420+4231 BVD 263

 
 
18h 41m 57.79s +42° 30' 44.2" P.A. 274.00 sep 5.6 mag 18.90,19.00
 
 
Coord 2000 18420+4231 Discov num BVD 263 Comp Coord arcsec 2000 18 41 57.79 +42 30 44.2
Date first 1998 Date last 2016 Obs 8
Pa first 275 Pa last 274 P.A. Now (θ) 274°
Sep first 5.8 Sep last 5.633 Sep. Now (ρ) 5.633"
Mag pri 18.90 Mag sec 19.00 delta mag (ΔM) 0.1 Spectral class
Pri motion ra -026 Sec motion ra -028
Pri motion dec -054 Sec motion dec -055
Notes V (Proper motion indicates physical)
rPM=0.036 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Gaia DR2 2116769585251278848
 
 
WDS 18420+4231 BVD 263 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bvd2003 Ma j Benavides, R. ...................
Bvd2003 +Pa OAG Gen. Cat. 10,000 vis. double star meas. 1970-2003 (J2000.0), 2003
Bvd2003 +Z
Bvd2006 Pa j Benavides, R. (in Rica Romero, F.M.) 2006JDSO....2..118B
Bvd2006 +E2 JDSO 2, 118, 2006
Bvd2006b C u Benavides, R. 2006O&T....64...25B
Bvd2006b Obs. et Travaux 64, 25, 2006
Bvd2008a C u Benavides, R. ...................
Bvd2008a Astronomia, II Epoca No. 113, 64-65, 2008
Bvd2008b C u Benavides, R. ...................
Bvd2008b Astronomia, II Epoca No. 114, 64-65, 2008
Bvd2009 C u Benavides, R. 2009JDSO....5...43B
Bvd2009 +Pa JDSO 5, 43, 2009
Bvd2009 +Mb
Bvd2009b C u Benavides, R. 2009OED.....1....8B
Bvd2009b El Observador de Estrellas Dobles, Issue #1, 8, 2009
Bvd2009c C u Benavides, R. ...................
Bvd2009c Astronomia, II Epoca No. 115, 64-65, 2009
Bvd2009d C u Benavides, R. ...................
Bvd2009d Astronomia, II Epoca No. 116, 64-65, 2009
Bvd2009e Pa - Benavides, R. (in Rica Romero, F.M.) 2009JDSO....5...78B
Bvd2009e JDSO 5, 78, 2009
Bvd2009f C u Benavides, R. ...................
Bvd2009f Astronomia, II Epoca No. 120, 64-65, 2009
Bvd2009g C u Benavides, R. ...................
Bvd2009g Astronomia, II Epoca No. 121, 68-69, 2009
Bvd2009h C u Benavides, R. ...................
Bvd2009h Astronomia, II Epoca No. 123, 64-65, 2009
Bvd2009i C j Benavides, R. 2009OED.....3...32B
Bvd2009i El Observador de Estrellas Dobles, Issue #3, 32, 2009
Bvd2010 C u Benavides, R. ...................
Bvd2010 Astronomia, II Epoca No. 129, 64-65, 2010
Bvd2010b E+ u Benavides, R., Rica, F., Reina, E., Castellanos, J., Naves, R., Lahuerta, L., & . 2010JDSO....6...30B
Bvd2010b +C Lahuerta, S.
Bvd2010b +Ht JDSO 6, 30, 2010 (astrometry from CCD imaging, 2MASS, Tycho-2, AC2000, various
Bvd2010b +P+ DSS sources, including Palomar surveys and UK Schmidt survey)
Bvd2010c C u Benavides Palencia, Rafael ...................
Bvd2010c Astronomia, II Epoca No. 131, 64-65, 2010
Bvd2011 C j Benavides Palencia, Rafael 2011OED.....7...26B
Bvd2011 El Observador de Estrellas Dobles, Issue #7, 26, 2011
Bvd2011b C u Benavides Palencia, Rafael ...................
Bvd2011b Astronomia, II Epoca No. 148, 64-65, 2011
Bvd2011c C u Benavides Palencia, Rafael ...................
Bvd2011c Astronomia, II Epoca No. 150, 64-65, 2011
Bvd2012 C u Benavides Palencia, Rafael ...................
Bvd2012 Astronomia, II Epoca No. 152, 64-65, 2012
Bvd2012b C u Benavides Palencia, Rafael ...................
Bvd2012b Astronomia, II Epoca No. 154, 64-65, 2012
Bvd2012c C u Benavides Palencia, Rafael ...................
Bvd2012c Astronomia, II Epoca No. 155, 64-65, 2012
Bvd2012d E2 j Benavides Palencia, Rafael 2012OED.....9...42B
Bvd2012d El Observador de Estrellas Dobles, Issue #9, 42, 2012
Bvd2012e Al u Benavides Palencia, Rafael 2012OED.....9...91B
Bvd2012e +Cl El Observador de Estrellas Dobles, Issue #9, 91, 2012
Bvd2012f C u Benavides Palencia, Rafael ...................
Bvd2012f Astronomia, II Epoca No. 157-158, 72, 2012
Bvd2012g C u Benavides Palencia, Rafael ...................
Bvd2012g Astronomia, II Epoca No. 160, 64, 2012
Bvd2012h C u Benavides Palencia, Rafael ...................
Bvd2012h Astronomia, II Epoca No. 161, 48, 2012
Bvd2013 E2 j Benavides Palencia, Rafael 2013OED....11...27B
Bvd2013 El Observador de Estrellas Dobles, Issue #11, 27, 2013
Bvd2013b C u Benavides Palencia, Rafael ...................
Bvd2013b Astronomia, II Epoca No. 173, 71, 2013
Bvd2014a Cl u Benavides Palencia, Rafael 2014OED....12...21B
Bvd2014a El Observador de Estrellas Dobles, Issue #12, 21, 2014
Bvd2014b C j Benavides Palencia, Rafael ...................
Bvd2014b Astronomia, II Epoca No. 175, 65, 2014
Bvd2014c C u Benavides Palencia, Rafael ...................
Bvd2014c Astronomia, II Epoca No. 176, 65, 2014
Bvd2014d C u Benavides Palencia, Rafael ...................
Bvd2014d Astronomia, II Epoca No. 179, 64, 2014
Bvd2014e C u Benavides Palencia, Rafael ...................
Bvd2014e Astronomia, II Epoca No. 181-182, 71, 2014
Bvd2014f C u Benavides Palencia, Rafael ...................
Bvd2014f Astronomia, II Epoca No. 183, 64, 2014
Bvd2014g C u Benavides Palencia, Rafael ...................
Bvd2014g Astronomia, II Epoca No. 185, 62, 2014
Bvd2015a C u Benavides Palencia, Rafael ...................
Bvd2015a Astronomia, II Epoca No. 191, 62, 2015
Bvd2015b C u Benavides Palencia, Rafael ...................
Bvd2015b Astronomia, II Epoca No. 193-194, 70, 2015
Bvd2015c C u Benavides Palencia, Rafael ...................
Bvd2015c Astronomia, II Epoca No. 195, 62, 2015
Bvd2015d C u Benavides Palencia, Rafael ...................
Bvd2015d Astronomia, II Epoca No. 197, 62, 2015
Bvd2016a Cl u Benavides Palencia, Rafael 2016OED....16...50B
Bvd2016a El Observador de Estrellas Dobles, Issue #16, 50, 2016
Bvd2017a Cl u Benavides Palencia, Rafael 2017OED....19...10B
Bvd2017a El Observador de Estrellas Dobles, Issue #19, 10, 2017
Bvd2018a Cl u Benavides Palencia, Rafael 2018OED....21...19B
Bvd2018a El Observador de Estrellas Dobles, Issue #21, 19, 2018
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18420+4231 BVD 263 1998 1 275 5.8 18.90 19.00 V 184157.79+423044.2
18420+4231 BVD 263 2010 2 274 5.6 18.90 19.00 V 184157.79+423044.2
18420+4231 BVD 263 2015 3 274 5.6 18.90 19.00 V 184157.79+423044.2
18420+4231 BVD 263 2016 8 274 5.6 18.90 19.00 V 184157.79+423044.2

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

 
 
WDS 18420+4231 BVD 263 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18420+4231 BVD 263 : MEASURES
 
 
No records found.

 
 
WDS 18420+4231 : VIRTUAL EYEPIECE
 
 

18420+4231 BVD 263A mag 18.9 18420+4231 BVD 263B sep 4.2 P.A. 275.40 mag 19 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 18420+4231 : ALADIN DSS IMAGE @ 18h 41m 57.79s +42° 30' 44.2"
 
 
 
 
WDS 18420+4231 BVD 263 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18420+4231 BVD 263 distance=1' 18436+4237 ES 478 distance=20' 18439+4231 DEA 192 distance=23' 18409+4204 SLW1220 distance=30' 18440+4256 COU1791 distance=34' 18450+4239 HDS2657 distance=35' 18448+4215 KPP1029 distance=36' 18452+4227 KOI 10AB distance=36' 18452+4227 KOI 10AC distance=36' 18442+4259 KOI4599 distance=37' 18461+4241 DEA 137 distance=48' 18455+4202 STF2394 distance=49' 18386+4309 NSN 706 distance=54' 18468+4224 KOI2914AB distance=54' 18445+4317 KOI4419AB distance=54' 18445+4317 JKA 3AC distance=54' 18442+4319 KOI2734 distance=55' 18445+4318 DEA 134 distance=56' 18406+4325 DEA 159 distance=57' 18442+4321 DEA 409 distance=58' 18463+4304 KOI3995 distance=59' 18380+4151 UC 3630 distance=60' 18467+4303 ES 1425 distance=62' 18466+4157 KOI3284AB distance=62' 18466+4157 KOI3284AC distance=62' 18473+4249 KOI4136 distance=62' 18456+4317 DEA 122 distance=62' 18440+4328 HJ 1342 distance=62' 18476+4217 KOI4184 distance=64' 18452+4325 KOI 684 distance=65' 18476+4210 KOI2005AB distance=66' 18476+4210 KOI2005AC distance=66' 18478+4246 COU1793 distance=67' 18407+4336 TDT 990 distance=68' 18477+4159 ES 1560 distance=72' 18433+4341 DEA 246 distance=73' 18485+4240 DEA 188 distance=74' 18465+4325 KOI5416 distance=74' 18486+4214 KOI 667 distance=76' 18466+4134 TOI2138 distance=78' 18400+4346 BRT1920 distance=79' 18454+4340 KOI6925 distance=79' 18414+4350 KOI5457 distance=80' 18480+4313 DEA 283 distance=80' 18457+4338 DEA 344 distance=80' 18394+4346 DEA 410 distance=81' 18472+4135 TDT1053 distance=82' 18457+4341 DEA 110 distance=83' 18466+4335 KOI5427 distance=83' 18494+4239 KPP4123AB distance=83' 18390+4113 BRT1919 distance=85' 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 18420+4231 BVD 263 274 5.6 1
Show 18436+4237 ES 478 185 9.3 20
Show 18439+4231 DEA 192 338 9.0 23
Show 18409+4204 SLW1220 113 17.4 30
Show 18440+4256 COU1791 127 0.6 34
Show 18450+4239 HDS2657 37 0.2 35
Show 18448+4215 KPP1029 206 8.3 36
Show 18452+4227 KOI 10 AB 266 3.0 36
Show 18452+4227 KOI 10 AC 89 3.7 36
Show 18442+4259 KOI4599 81 2.0 37
Show 18461+4241 DEA 137 70 7.2 48
Show 18455+4202 STF2394 203 6.9 49
Show 18386+4309 NSN 706 336 3.4 54
Show 18468+4224 KOI2914 AB 231 3.8 54
Show 18445+4317 KOI4419 AB 116 4.0 54
Show 18445+4317 JKA 3 AC 273 15.9 54
Show 18442+4319 KOI2734 89 2.4 55
Show 18445+4318 DEA 134 300 7.2 56
Show 18406+4325 DEA 159 310 7.8 57
Show 18442+4321 DEA 409 257 21.4 58
Show 18463+4304 KOI3995 117 3.8 59
Show 18380+4151 UC 3630 118 11.9 60
Show 18467+4303 ES 1425 232 4.4 62
Show 18466+4157 KOI3284 AB 193 0.4 62
Show 18466+4157 KOI3284 AC 4 4.0 62
Show 18473+4249 KOI4136 108 3.7 62
Show 18456+4317 DEA 122 353 6.8 62
Show 18440+4328 HJ 1342 186 18.5 62
Show 18476+4217 KOI4184 224 0.2 64
Show 18452+4325 KOI 684 1 0.2 65
Show 18476+4210 KOI2005 AB 58 0.0 66
Show 18476+4210 KOI2005 AC 137 2.1 66
Show 18478+4246 COU1793 323 1.2 67
Show 18407+4336 TDT 990 311 0.3 68
Show 18477+4159 ES 1560 345 9.8 72
Show 18433+4341 DEA 246 21 10.6 73
Show 18485+4240 DEA 188 68 8.9 74
Show 18465+4325 KOI5416 218 0.4 74
Show 18486+4214 KOI 667 133 3.0 76
Show 18466+4134 TOI2138 215 0.2 78
Show 18400+4346 BRT1920 197 2.9 79
Show 18454+4340 KOI6925 127 2.5 79
Show 18414+4350 KOI5457 131 1.3 80
Show 18480+4313 DEA 283 275 11.7 80
Show 18457+4338 DEA 344 8 15.1 80
Show 18394+4346 DEA 410 49 21.2 81
Show 18472+4135 TDT1053 17 2.1 82
Show 18457+4341 DEA 110 37 6.4 83
Show 18466+4335 KOI5427 176 3.1 83
Show 18494+4239 KPP4123 AB 246 2.3 83
Show 18390+4113 BRT1919 327 3.8 85

 
 
WDS 18420+4231 : COMPONENTS
 
 
  A
B pa=275.4°
sep=4.16"
 
 
18420+4231 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184157.79+423044.2 Mag 18.9 PmRA -26.00
PmDE -54.0
 
 
18420+4231 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184157.42+423044.6 Mag 19 PmRA -28.00
PmDE -55.0 Calc delta mag 0.1 Calc coord yes