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Current system
20305+4434
ES 1442


Nearby doubles
6' : 20303+4439
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TDT2326

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ES 661

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RAO 434

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KPP 472

68' : 20253+4355
A 291AB

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TDT2429



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20305+4434 ES 1442

 
 
20h 30m 27.93s +44° 33' 56.9" P.A. 265.00 sep 2.7 mag 10.29,14.00
 
 
Coord 2000 20305+4434 Discov num ES 1442 Comp Coord arcsec 2000 20 30 27.93 +44 33 56.9
Date first 1915 Date last 2015 Obs 2
Pa first 266 Pa last 264.8 P.A. Now (θ) 264.8°
Sep first 2.3 Sep last 2.726 Sep. Now (ρ) 2.726"
Mag pri 10.29 Mag sec 14.00 delta mag (ΔM) 3.71 Spectral class
Pri motion ra +005 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2070649779753566336
 
 
WDS 20305+4434 ES 1442 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
ES Espin, T.E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20305+4434 ES 1442 1915 1 266 2.3 10.29 14.00 +44 3493 203027.93+443356.9
20305+4434 ES 1442 2015 2 265 2.7 10.29 14.00 +44 3493 S 203027.93+443356.9

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

 
 
WDS 20305+4434 ES 1442 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20305+4434 ES 1442 : MEASURES
 
 
No records found.

 
 
WDS 20305+4434 : VIRTUAL EYEPIECE
 
 

20305+4434 ES 1442A mag 10.29 20305+4434 ES 1442B sep 2.7 P.A. 264.80 mag 14 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20305+4434 : ALADIN DSS IMAGE @ 20h 30m 27.93s +44° 33' 56.9"
 
 
 
 
WDS 20305+4434 ES 1442 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20305+4434 ES 1442 distance=0' 20303+4439 ES 1441 distance=6' 20295+4437 TDT2320 distance=12' 20328+4418 COU2645 distance=30' 20314+4403 ES 1443 distance=33' 20303+4401 TDT2326 distance=34' 20282+4458 ES 661 distance=35' 20272+4437 BRT2264 distance=36' 20293+4508 RAO 434 distance=37' 20295+4516 ES 662 distance=43' 20281+4509 TDS1075 distance=44' 20277+4507 ROE 43AB distance=44' 20277+4507 ROE 43AC distance=44' 20277+4507 ROE 43AD distance=44' 20277+4507 ROE 43AE distance=44' 20277+4507 ROE 43AF distance=44' 20277+4507 ROE 43AG distance=44' 20277+4507 BKO 154AH distance=44' 20277+4507 BKO 154AI distance=44' 20277+4507 BKO 154CJ distance=45' 20277+4507 BKO 154EK distance=46' 20322+4351 TDT2344 distance=47' 20302+4343 AG 407 distance=51' 20340+4352 TDT2377 distance=57' 20267+4353 FYM 258AB distance=58' 20267+4353 FYM 258AC distance=58' 20267+4353 FYM 258AD distance=58' 20266+4350 TDT2273 distance=61' 20343+4520 ES 804AB distance=62' 20343+4520 ES 804BC distance=62' 20264+4520 KPP 472 distance=63' 20253+4355 A 291AB distance=68' 20253+4355 A 291AC distance=68' 20317+4540 HJ 1533 distance=69' 20291+4544 BU 1135 distance=72' 20237+4442 ES 1330 distance=73' 20348+4531 ES 805 distance=73' 20240+4457 ES 1331 distance=73' 20270+4539 HJ 1518 distance=75' 20373+4417 TDT2429 distance=75' 20338+4540 A 740 distance=75' 20348+4334 ES 1444AB distance=76' 20348+4334 ES 1444AC distance=76' 20258+4533 TDT2263 distance=77' 20342+4327 A 396AB distance=79' 20342+4327 A 396AC distance=79' 20342+4327 A 396AD distance=79' 20246+4529 HJ 1514 distance=82' 20376+4504 HJ 1555 distance=82' 20300+4556 LSC 91 distance=82' 20231+4405 TDT2227 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 20305+4434 ES 1442 265 2.7 0
Show 20303+4439 ES 1441 127 2.0 6
Show 20295+4437 TDT2320 223 0.7 12
Show 20328+4418 COU2645 290 0.1 30
Show 20314+4403 ES 1443 304 2.5 33
Show 20303+4401 TDT2326 100 0.7 34
Show 20282+4458 ES 661 156 6.9 35
Show 20272+4437 BRT2264 4 3.0 36
Show 20293+4508 RAO 434 162 1.2 37
Show 20295+4516 ES 662 142 5.7 43
Show 20281+4509 TDS1075 358 1.4 44
Show 20277+4507 ROE 43 AB 317 17.4 44
Show 20277+4507 ROE 43 AC 312 52.6 44
Show 20277+4507 ROE 43 AD 271 42.4 44
Show 20277+4507 ROE 43 AE 282 82.9 44
Show 20277+4507 ROE 43 AF 336 87.1 44
Show 20277+4507 ROE 43 AG 282 102.4 44
Show 20277+4507 BKO 154 AH 224 18.4 44
Show 20277+4507 BKO 154 AI 63 24.2 44
Show 20277+4507 BKO 154 CJ 331 17.9 45
Show 20277+4507 BKO 154 EK 109 4.7 46
Show 20322+4351 TDT2344 338 0.8 47
Show 20302+4343 AG 407 231 7.0 51
Show 20340+4352 TDT2377 210 0.5 57
Show 20267+4353 FYM 258 AB 345 17.2 58
Show 20267+4353 FYM 258 AC 244 37.4 58
Show 20267+4353 FYM 258 AD 100 24.8 58
Show 20266+4350 TDT2273 211 0.5 61
Show 20343+4520 ES 804 AB 117 30.8 62
Show 20343+4520 ES 804 BC 128 2.2 62
Show 20264+4520 KPP 472 90 4.6 63
Show 20253+4355 A 291 AB 148 0.8 68
Show 20253+4355 A 291 AC 284 18.1 68
Show 20317+4540 HJ 1533 187 10.9 69
Show 20291+4544 BU 1135 335 1.5 72
Show 20237+4442 ES 1330 309 3.6 73
Show 20348+4531 ES 805 152 7.9 73
Show 20240+4457 ES 1331 78 1.3 73
Show 20270+4539 HJ 1518 86 15.3 75
Show 20373+4417 TDT2429 84 0.5 75
Show 20338+4540 A 740 313 0.8 75
Show 20348+4334 ES 1444 AB 80 4.9 76
Show 20348+4334 ES 1444 AC 95 15.2 76
Show 20258+4533 TDT2263 330 1.4 77
Show 20342+4327 A 396 AB 140 1.7 79
Show 20342+4327 A 396 AC 115 34.2 79
Show 20342+4327 A 396 AD 219 33.4 79
Show 20246+4529 HJ 1514 215 11.3 82
Show 20376+4504 HJ 1555 354 13.8 82
Show 20300+4556 LSC 91 19 0.3 82
Show 20231+4405 TDT2227 172 0.5 85

 
 
WDS 20305+4434 : COMPONENTS
 
 
  A
B pa=264.8°
sep=2.73"
 
 
20305+4434 A
 
 
Coord arcsec 2000 203027.93+443356.9 Mag 10.29 PmRA 5.00 PmDE -2.0
 
 
20305+4434 B
 
 
Coord arcsec 2000 203027.68+443356.7 Mag 14 Delta magnitude 3.71 Coordinate calculated yes