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Current system
20144+1608
CHE 228 AC


Nearby doubles
4' : 20144+1611
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CHE 223

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CHE 238

8' : 20147+1602
CHE 236

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BPM2065AB

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CHE 233

9' : 20138+1609
BKO 536

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STF2651AB

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CHE 216

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CHE 214

14' : 20145+1555
CHE 230AB

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16' : 20134+1604
CHE 212

17' : 20151+1555
CHE 241

17' : 20141+1553
BPM2068

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CHE 213

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CHE 219

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28' : 20163+1615
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BPM2080

30' : 20161+1552
BKO 557

30' : 20161+1553
CHE 254AB



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

20144+1608 CHE 228 AC

 
 
20h 14m 24.25s +16° 08' 18.9" P.A. 268.00 sep 24.4 mag 11.19,13.96
 
 
Coord 2000 20144+1608 Discov num CHE 228 Comp AC Coord arcsec 2000 20 14 24.25 +16 08 18.9
Date first 1910 Date last 2015 Obs 9
Pa first 269 Pa last 267.7 P.A. Now (θ) 267.7°
Sep first 24.9 Sep last 24.396 Sep. Now (ρ) 24.396"
Mag pri 11.19 Mag sec 13.96 delta mag (ΔM) 2.77 Spectral class
Pri motion ra +006 Sec motion ra -025
Pri motion dec +002 Sec motion dec -020
Notes N (See Notes)
rPM=1.187
This double is not physical.
 
 
20144+1608 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 14 24 +16 08 19 CHE 228 AB 2015 11 309 38.6 11.19 13.29 2.10
Show 20 14 24 +16 08 19 CHE 228 AC 2015 9 268 24.4 11.19 13.96 2.77 <===
Show 20 14 22 +16 08 43 BKO 540 BD 2015 8 134 9.9 13.40 14.00 0.60
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta Tycho2 1618-01497-1 Gaia DR2 1808643477482051200 HD 355218
 
 
WDS 20144+1608 CHE 228 AC : NOTES
 
 
discov_num notes refcode
BKO 540 Anon. 52. Bko2009d
 
 
REFERENCES
 
 
refcode metd author reference
Bko2009d C u Berko, E. 2009JDSO....5..189B
Bko2009d JDSO 5, 189, 2009
 
 
DISCOVERER
 
 
idgroup discov author
1 CHE Chevalier, Stanislas
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20144+1608 CHE 228 AC 2002 3 268 24.3 9.63 11.50 D 201424.25+160819.6
20144+1608 CHE 228 AC 2008 4 268 24.2 9.63 11.50 D 201424.24+160819.0
20144+1608 CHE 228 AC 2015 6 268 24.4 11.19 13.96 N 201424.25+160818.9

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

 
 
WDS 20144+1608 CHE 228 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20144+1608 CHE 228 AC : MEASURES
 
 
No records found.

 
 
WDS 20144+1608 : VIRTUAL EYEPIECE
 
 

20144+1608 CHE 228A mag 11.19 20144+1608 BKO 540B sep 38.4 P.A. 309.40 mag 13.4 20144+1608 CHE 228C sep 23.4 P.A. 267.60 mag 13.96 20144+1608 BKO 540D sep 28.8 P.A. 307.50 mag 14 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20144+1608 : ALADIN DSS IMAGE @ 20h 14m 24.25s +16° 08' 18.9"
 
 
 
 
WDS 20144+1608 CHE 228 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20144+1608 CHE 228AB distance=1' 20144+1608 CHE 228AC distance=1' 20144+1608 BKO 540BD distance=1' 20144+1611 CHE 227 distance=4' 20141+1612 CHE 223 distance=6' 20148+1605 CHE 238 distance=7' 20147+1602 CHE 236 distance=8' 20139+1611 BPM2066BC distance=8' 20139+1611 BPM2065AB distance=9' 20146+1600 CHE 233 distance=9' 20138+1609 BKO 536 distance=9' 20137+1609 STF2651AB distance=10' 20137+1609 SHY 768AC distance=10' 20148+1616 CHE 237 distance=11' 20137+1608 CHE 216 distance=11' 20136+1613 CHE 214 distance=13' 20145+1555 CHE 230AB distance=14' 20145+1555 BKO 542BC distance=14' 20134+1611 CHE 211 distance=15' 20134+1604 CHE 212 distance=16' 20151+1555 CHE 241 distance=17' 20141+1553 BPM2068 distance=17' 20135+1555 CHE 213 distance=19' 20151+1552 BKO 543 distance=20' 20139+1549 CHE 219 distance=21' 20130+1624 BPM2061 distance=26' 20126+1616 CHE 67AB distance=27' 20126+1616 BKO 529BC distance=27' 20163+1615 CHE 260 distance=28' 20145+1541 CHE 231 distance=28' 20158+1628 BPM2080 distance=29' 20161+1552 BKO 557 distance=30' 20129+1548 CHE 202CD distance=30' 20161+1553 CHE 254AB distance=30' 20161+1553 BKO 556AC distance=30' 20126+1553 BKO 530 distance=31' 20165+1602 BKO 558 distance=31' 20129+1548 CHE 201AB distance=31' 20129+1548 CHE 201AE distance=31' 20129+1548 CHE 201AC distance=31' 20129+1548 CHE 202EF distance=31' 20123+1607 CHE 189 distance=31' 20166+1606 CHE 263 distance=32' 20166+1603 CHE 264 distance=32' 20165+1601 BKO 559 distance=32' 20132+1541 CHE 207AB distance=33' 20132+1541 BKO 532BC distance=33' 20154+1538 CHE 243AB distance=34' 20154+1538 CHE 243AC distance=34' 20136+1537 BKO 535BC distance=34' 20136+1537 CHE 215AB distance=34' 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 20144+1608 CHE 228 AB 309 38.6 1
Show 20144+1608 CHE 228 AC 268 24.4 1
Show 20144+1608 BKO 540 BD 134 9.9 1
Show 20144+1611 CHE 227 46 5.2 4
Show 20141+1612 CHE 223 82 8.5 6
Show 20148+1605 CHE 238 303 24.2 7
Show 20147+1602 CHE 236 291 21.4 8
Show 20139+1611 BPM2066 BC 319 100.1 8
Show 20139+1611 BPM2065 AB 37 72.8 9
Show 20146+1600 CHE 233 269 15.7 9
Show 20138+1609 BKO 536 256 8.8 9
Show 20137+1609 STF2651 AB 279 0.9 10
Show 20137+1609 SHY 768 AC 84 999.9 10
Show 20148+1616 CHE 237 219 21.8 11
Show 20137+1608 CHE 216 290 25.9 11
Show 20136+1613 CHE 214 334 26.9 13
Show 20145+1555 CHE 230 AB 253 20.5 14
Show 20145+1555 BKO 542 BC 179 7.9 14
Show 20134+1611 CHE 211 340 21.6 15
Show 20134+1604 CHE 212 12 27.6 16
Show 20151+1555 CHE 241 49 21.3 17
Show 20141+1553 BPM2068 355 49.0 17
Show 20135+1555 CHE 213 34 22.8 19
Show 20151+1552 BKO 543 325 6.4 20
Show 20139+1549 CHE 219 60 10.6 21
Show 20130+1624 BPM2061 253 81.5 26
Show 20126+1616 CHE 67 AB 299 12.1 27
Show 20126+1616 BKO 529 BC 296 10.1 27
Show 20163+1615 CHE 260 201 27.4 28
Show 20145+1541 CHE 231 266 14.6 28
Show 20158+1628 BPM2080 65 82.7 29
Show 20161+1552 BKO 557 347 5.6 30
Show 20129+1548 CHE 202 CD 347 11.0 30
Show 20161+1553 CHE 254 AB 133 26.6 30
Show 20161+1553 BKO 556 AC 313 10.2 30
Show 20126+1553 BKO 530 169 2.2 31
Show 20165+1602 BKO 558 137 6.2 31
Show 20129+1548 CHE 201 AB 322 27.8 31
Show 20129+1548 CHE 201 AE 270 27.9 31
Show 20129+1548 CHE 201 AC 63 51.2 31
Show 20129+1548 CHE 202 EF 35 4.9 31
Show 20123+1607 CHE 189 84 18.1 31
Show 20166+1606 CHE 263 140 4.0 32
Show 20166+1603 CHE 264 35 28.3 32
Show 20165+1601 BKO 559 36 4.8 32
Show 20132+1541 CHE 207 AB 263 23.6 33
Show 20132+1541 BKO 532 BC 186 7.1 33
Show 20154+1538 CHE 243 AB 222 24.0 34
Show 20154+1538 CHE 243 AC 205 26.6 34
Show 20136+1537 BKO 535 BC 325 5.5 34
Show 20136+1537 CHE 215 AB 95 32.4 34

 
 
WDS 20144+1608 : COMPONENTS
 
 
  A B C
B pa=309.4°
sep=38.42"
 
C pa=267.6°
sep=23.44"
pa=166.1°
sep=26.14"
 
D pa=307.5°
sep=28.80"
pa=135.3°
sep=9.69"
pa=1.7°
sep=18.50"
 
 
20144+1608 A
 
 
Coord arcsec 2000 201424.25+160818.9 Mag 11.19 PmRA 6.00 PmDE 2.0
Tycho2 1618-01497-1 HD 355218
Tycho2
Tycho2 1618-01497-1 Pflag RAmdeg 303.60102724 DEmdeg 16.13860077
PmRA 4.0 PmDE 0.7 E RAmdeg 35 E DEmdeg 40
E pmRA 1.8 E pmDE 1.6 EpRAm 1983.44 EpDEm 1981.65
Num 4 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.1 BTmag 11.572 E BTmag 0.072 VTmag 11.191
E VTmag 0.089 Prox 999 TYC T HIP
CCDM RAdeg 303.60103250 DEdeg 16.13860056 EpRA 1990 1.65
EpDE 1990 1.49 E RAdeg 46.0 E DEdeg 49.1 Posflg
Corr -0.1
 
 
20144+1608 B
 
 
Coord arcsec 2000 201422.19+160843.3 Coord calc 201422.19+160843.3 Mag 13.4 PmRA -113.00
PmDE 97.0 Calc delta mag 2.21
 
 
20144+1608 C
 
 
Coord arcsec 2000 201422.62+160817.9 Mag 13.96 PmRA -25.00 PmDE -20.0
Calc delta mag 2.77 Calc coord yes
 
 
20144+1608 D
 
 
Coord arcsec 2000 201422.66+160836.4 Mag 14 Calc delta mag 2.81 Calc coord yes