20171+1536 CHE 272

 
 
20h 17m 04.03s +15° 35' 04.4" P.A. 104.00 sep 17.4 mag 12.70,13.30
 
 
Coord 2000 20171+1536 Discov num CHE 272 Comp Coord arcsec 2000 20 17 04.03 +15 35 04.4
Date first 1910 Date last 2019 Obs 13
Pa first 108 Pa last 104.2 P.A. Now (θ) 104.2°
Sep first 17.1 Sep last 17.4 Sep. Now (ρ) 17.4"
Mag pri 12.70 Mag sec 13.30 delta mag (ΔM) 0.6 Spectral class
Pri motion ra +003 Sec motion ra +007
Pri motion dec +000 Sec motion dec +001
Notes
rPM=0.583
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1808415221439300096
 
 
WDS 20171+1536 CHE 272 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Che1908 Pa - Chevalier, Stanislas .
Che1908 Shanghai Obs. Zo-Se 4, 60, 1908 (corrections described in Bko2011c and Hrt2012b)
Che1909 Pa - Chevalier, Stanislas .
Che1909 Shanghai Obs. Zo-Se 5, 86, 1909 (corrections are described in Hrt2012b)
Che1910 Ma j Chevalier, Stanislas & Tsang Ziang-seng .
Che1910 +Pa Shanghai Obs. Zo-Se 6, O5, 1910 (corrections are described in Hrt2012b)
Che1911 Ma - Chevalier, Stanislas .
Che1911 +Pa Shanghai Obs. Zo-Se 7, B1, 1911 (corrections are described in Hrt2012b)
Che1925 Pa - Chevalier, Stanislas 1925JO......8...65G
Che1925 J. Obs. 8, 65, 1925
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20171+1536 CHE 272 2006 2 105 17.8 10.21 10.37 201704.05+153504.7
20171+1536 CHE 272 2008 3 105 18.0 10.21 10.37 201704.05+153504.7
20171+1536 CHE 272 2010 7 105 17.9 12.70 13.30 201704.03+153504.4
20171+1536 CHE 272 2015 8 105 17.9 12.70 13.30 201704.03+153504.4
20171+1536 CHE 272 2019 13 104 17.4 12.70 13.30 201704.03+153504.4

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WDS 20171+1536 CHE 272 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20171+1536 CHE 272 : MEASURES
 
 
No records found.

 
 
WDS 20171+1536 : VIRTUAL EYEPIECE
 
 

20171+1536 CHE 272A mag 12.7 20171+1536 CHE 272B sep 16.8 P.A. 104.70 mag 13.3 virtual eyepiece
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Radius:
Components only
 
 
WDS 20171+1536 : ALADIN DSS IMAGE @ 20h 17m 04.03s +15° 35' 04.4"
 
 
 
 
WDS 20171+1536 CHE 272 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20171+1536  CHE 272 distance=0' 20170+1538  CHE 269 distance=4' 20168+1543  CHE 266 distance=9' 20177+1539  CHE 278 distance=11' 20163+1538  CHE 261AB distance=12' 20163+1538  CHE 261AC distance=12' 20178+1530  CHE 280 distance=12' 20162+1534  CHE 257 distance=13' 20162+1535  CHE 256 distance=13' 20168+1523  CHE 267 distance=14' 20161+1537  CHE 255 distance=15' 20174+1522  CHE 276 distance=15' 20180+1543  CHE 285 distance=16' 20180+1544  CHE 284 distance=16' 20180+1526  CHE 286 distance=17' 20172+1553  CHE 273AB distance=18' 20172+1553  BKO 560BC distance=18' 20159+1535  CHE 252 distance=18' 20158+1536  BKO 551 distance=18' 20178+1520  CHE 281 distance=19' 20183+1539  CHE 293 distance=19' 20157+1534  BKO 547 distance=20' 20179+1520  SMA 116 distance=20' 20157+1537  CHE 247 distance=21' 20160+1521  CHE 253 distance=21' 20172+1515  CHE 274AB distance=21' 20172+1515  DAM 360AC distance=21' 20179+1553  CHE 283 distance=22' 20167+1513  CHE 265 distance=23' 20161+1553  CHE 254AB distance=23' 20161+1553  BKO 556AC distance=23' 20161+1552  BKO 557 distance=23' 20156+1527  BKO 546 distance=23' 20181+1552  CHE 289 distance=23' 20181+1519  CHE 290 distance=23' 20156+1526  HDS2887AB distance=24' 20156+1526  CHE 246AC distance=24' 20156+1526  CVP   1AD distance=24' 20157+1520  CHE 248 distance=25' 20181+1555  J   553 distance=25' 20154+1538  CHE 243AB distance=25' 20154+1538  CHE 243AC distance=25' 20153+1535  CHE 242 distance=25' 20186+1548  CHE 295 distance=26' 20171+1601  CHE 271 distance=26' 20188+1530  TOB 319AB distance=26' 20188+1530  CHE 299AC distance=26' 20185+1519  BPM2100 distance=27' 20165+1601  BKO 559 distance=27' 20183+1556  CHE 292 distance=28' 20190+1540  BPM2103 distance=28' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 20171+1536 CHE 272 104 17.4
Show 20170+1538 CHE 269 285 26.9 4
Show 20168+1543 CHE 266 51 36.5 9
Show 20177+1539 CHE 278 89 10.5 11
Show 20163+1538 CHE 261 AB 41 18.3 12
Show 20163+1538 CHE 261 AC 111 23.8 12
Show 20178+1530 CHE 280 230 27.7 12
Show 20162+1534 CHE 257 38 29.0 13
Show 20162+1535 CHE 256 48 27.3 13
Show 20168+1523 CHE 267 18 36.5 14
Show 20161+1537 CHE 255 216 24.6 15
Show 20174+1522 CHE 276 261 18.0 15
Show 20180+1543 CHE 285 17 7.1 16
Show 20180+1544 CHE 284 339 30.4 16
Show 20180+1526 CHE 286 92 25.9 17
Show 20172+1553 CHE 273 AB 94 26.8 18
Show 20172+1553 BKO 560 BC 199 1.4 18
Show 20159+1535 CHE 252 304 37.5 18
Show 20158+1536 BKO 551 62 4.9 18
Show 20178+1520 CHE 281 316 17.7 19
Show 20183+1539 CHE 293 354 24.8 19
Show 20157+1534 BKO 547 91 4.4 20
Show 20179+1520 SMA 116 159 9.7 20
Show 20157+1537 CHE 247 4.6 21
Show 20160+1521 CHE 253 324 14.4 21
Show 20172+1515 CHE 274 AB 148 27.5 21
Show 20172+1515 DAM 360 AC 21 5.9 21
Show 20179+1553 CHE 283 80 24.5 22
Show 20167+1513 CHE 265 68 20.8 23
Show 20161+1553 CHE 254 AB 133 26.6 23
Show 20161+1553 BKO 556 AC 313 10.2 23
Show 20161+1552 BKO 557 347 5.6 23
Show 20156+1527 BKO 546 106 7.1 23
Show 20181+1552 CHE 289 39 32.5 23
Show 20181+1519 CHE 290 153 10.2 23
Show 20156+1526 HDS2887 AB 244 4.7 24
Show 20156+1526 CHE 246 AC 87 15.9 24
Show 20156+1526 CVP 1 AD 340 39.7 24
Show 20157+1520 CHE 248 322 32.0 25
Show 20181+1555 J 553 20 3.7 25
Show 20154+1538 CHE 243 AB 222 24.0 25
Show 20154+1538 CHE 243 AC 205 26.6 25
Show 20153+1535 CHE 242 358 13.8 25
Show 20186+1548 CHE 295 260 13.6 26
Show 20171+1601 CHE 271 34 26.3 26
Show 20188+1530 TOB 319 AB 65 14.9 26
Show 20188+1530 CHE 299 AC 329 37.6 26
Show 20185+1519 BPM2100 115 114.5 27
Show 20165+1601 BKO 559 36 4.8 27
Show 20183+1556 CHE 292 181 15.7 28
Show 20190+1540 BPM2103 173 15.0 28

 
 
WDS 20171+1536 : COMPONENTS
 
 
  A
B pa=104.7°
sep=16.80"
 
 
20171+1536 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201704.03+153504.4 Mag 12.7 PmRA 3.00
PmDE 0.0
 
 
20171+1536 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201705.15+153500.1 Mag 13.3 PmRA 7.00
PmDE 1.0 Calc delta mag 0.6 Calc coord yes