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Current system
20178+1417
BPM 2094 BC


Nearby doubles
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BPM2119



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

20178+1417 BPM 2094 BC

 
 
20h 17m 56.05s +14° 17' 54.8" P.A. 233.00 sep 66.9 mag 15.28,14.89
 
 
Coord 2000 20178+1417 Discov num BPM2094 Comp BC Coord arcsec 2000 20 17 56.05 +14 17 54.8
Date first 1975 Date last 2015 Obs 8
Pa first 233 Pa last 233.3 P.A. Now (θ) 233.3°
Sep first 66.9 Sep last 66.892 Sep. Now (ρ) 66.892"
Mag pri 15.28 Mag sec 14.89 delta mag (ΔM) 0.39 Spectral class
Pri motion ra +000 Sec motion ra +002
Pri motion dec -003 Sec motion dec -005
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.525
This double is physical.
 
 
20178+1417 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 17 49 +14 17 12 BPM 2093 AB 2015 8 68 116.6 14.36 15.28 0.92
Show 20 17 56 +14 17 55 BPM 2094 BC 2015 8 233 66.9 15.28 14.89 0.39 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1805128785480504064
 
 
WDS 20178+1417 BPM 2094 BC : NOTES
 
 
discov_num notes refcode
BPM2093 AB: [PM2000] 2251022 + [PM2000] 2251813. Gvr2010
BPM2094 BC: [PM2000] 2251813 + [PM2000] 2251414. Gvr2010
 
 
REFERENCES
 
 
refcode metd author reference
Gvr2010 Pa - Gavras, P. Sinachopoulos, D., Le Campion, J.F., & Cucourant, C. 2010A&A...521A 4G
Gvr2010 +T A&A 521, A4, 2010
Gvr2010 (Note: mean measures from AC2000.2, CdC2000, USNO-A2.0, Yellow Sky, and M2000
Gvr2010 catalogs, spanning years ~1900-2000)
 
 
DISCOVERER
 
 
idgroup discov author
1 BPM Bordeaux PM2000 catalogue (main catalog: separation < 2')
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20178+1417 BPM2094 BC 1998 2 233 66.9 15.49 15.10 NV 201756.05+141754.8
20178+1417 BPM2094 BC 2001 3 233 66.8 15.49 15.10 NV 201756.05+141754.8
20178+1417 BPM2094 BC 2015 4 233 66.8 15.28 14.89 NV 201756.05+141754.8

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

 
 
WDS 20178+1417 BPM 2094 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20178+1417 BPM 2094 BC : MEASURES
 
 
No records found.

 
 
WDS 20178+1417 : VIRTUAL EYEPIECE
 
 

20178+1417 BPM2093A mag 14.36 20178+1417 BPM2094B sep 116.5 P.A. 68.60 mag 15.28 20178+1417 BPM2094C sep 56.5 P.A. 87.30 mag 14.89 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 20178+1417 : ALADIN DSS IMAGE @ 20h 17m 56.05s +14° 17' 54.8"
 
 
 
 
WDS 20178+1417 BPM 2094 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20178+1417 BPM2094BC distance=1' 20178+1417 BPM2093AB distance=2' 20177+1429 BPM2092 distance=12' 20174+1430 BPM2089 distance=15' 20171+1434 BPMA244 distance=21' 20194+1422 STF2665A,BC distance=22' 20194+1422 A 1672BC distance=22' 20178+1440 CHE 282 distance=23' 20166+1431 BPM2085 distance=24' 20173+1443 CHE 275 distance=26' 20163+1407 BPM2082 distance=27' 20175+1444 CHE 277 distance=27' 20188+1442 CHE 300 distance=28' 20178+1350 BRT1340 distance=29' 20186+1444 CHE 296 distance=30' 20200+1412 BPM2115 distance=31' 20172+1446 BPM2088 distance=31' 20179+1344 OL 174 distance=33' 20190+1447 GWP2937 distance=33' 20181+1452 BPM2096 distance=35' 20163+1353 BPM2081 distance=36' 20204+1427 BPM2120 distance=38' 20190+1456 CHE 303 distance=41' 20152+1357 J 3066AB distance=41' 20152+1357 J 3066AC distance=41' 20163+1343 BPM2083 distance=43' 20180+1501 CHE 287 distance=43' 20177+1503 CHE 279 distance=45' 20167+1459 BPM2086 distance=45' 20203+1350 BPM2118 distance=46' 20204+1447 BPM2119 distance=46' 20182+1504 BPM2097 distance=46' 20177+1504 BPM2091 distance=47' 20152+1353 DAM 204AB distance=47' 20152+1353 DAM 204AC distance=47' 20157+1453 CHE 250 distance=48' 20164+1500 CHE 262 distance=49' 20158+1455 CHE 251 distance=49' 20155+1452 CHE 245AB distance=49' 20155+1452 BKO 545AC distance=49' 20159+1457 BKO 554 distance=49' 20169+1506 CHE 268BC distance=50' 20169+1506 CHE 268AB distance=50' 20169+1506 ABH 136AD distance=50' 20169+1506 ABH 136AE distance=50' 20169+1506 ABH 136AF distance=50' 20169+1506 ABH 136AG distance=50' 20169+1506 ABH 136AH distance=50' 20169+1506 ABH 136AI distance=50' 20169+1506 ABH 136AJ distance=50' 20169+1506 ABH 136AK distance=50' 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 20178+1417 BPM2094 BC 233 66.9 1
Show 20178+1417 BPM2093 AB 68 116.6 2
Show 20177+1429 BPM2092 318 79.2 12
Show 20174+1430 BPM2089 200 85.8 15
Show 20171+1434 BPMA244 112 297.6 21
Show 20194+1422 STF2665 A,BC 12 3.3 22
Show 20194+1422 A 1672 BC 59 0.1 22
Show 20178+1440 CHE 282 134 15.2 23
Show 20166+1431 BPM2085 221 113.9 24
Show 20173+1443 CHE 275 332 30.4 26
Show 20163+1407 BPM2082 121 101.5 27
Show 20175+1444 CHE 277 346 4.0 27
Show 20188+1442 CHE 300 319 40.2 28
Show 20178+1350 BRT1340 315 3.8 29
Show 20186+1444 CHE 296 23 28.2 30
Show 20200+1412 BPM2115 187 115.5 31
Show 20172+1446 BPM2088 343 73.4 31
Show 20179+1344 OL 174 229 1.6 33
Show 20190+1447 GWP2937 61 7.5 33
Show 20181+1452 BPM2096 2 45.2 35
Show 20163+1353 BPM2081 21 73.0 36
Show 20204+1427 BPM2120 168 117.9 38
Show 20190+1456 CHE 303 260 21.5 41
Show 20152+1357 J 3066 AB 333 4.5 41
Show 20152+1357 J 3066 AC 216 9.3 41
Show 20163+1343 BPM2083 28 88.0 43
Show 20180+1501 CHE 287 134 27.4 43
Show 20177+1503 CHE 279 181 6.8 45
Show 20167+1459 BPM2086 286 62.5 45
Show 20203+1350 BPM2118 104 58.9 46
Show 20204+1447 BPM2119 30 110.7 46
Show 20182+1504 BPM2097 355 46.9 46
Show 20177+1504 BPM2091 71 77.9 47
Show 20152+1353 DAM 204 AB 214 12.4 47
Show 20152+1353 DAM 204 AC 179 7.5 47
Show 20157+1453 CHE 250 145 20.7 48
Show 20164+1500 CHE 262 245 19.7 49
Show 20158+1455 CHE 251 61 28.0 49
Show 20155+1452 CHE 245 AB 286 17.9 49
Show 20155+1452 BKO 545 AC 1 6.7 49
Show 20159+1457 BKO 554 145 5.8 49
Show 20169+1506 CHE 268 BC 354 28.4 50
Show 20169+1506 CHE 268 AB 213 10.2 50
Show 20169+1506 ABH 136 AD 281 39.7 50
Show 20169+1506 ABH 136 AE 231 74.0 50
Show 20169+1506 ABH 136 AF 217 52.4 50
Show 20169+1506 ABH 136 AG 212 51.0 50
Show 20169+1506 ABH 136 AH 190 55.4 50
Show 20169+1506 ABH 136 AI 181 67.9 50
Show 20169+1506 ABH 136 AJ 57 93.0 50
Show 20169+1506 ABH 136 AK 65 103.2 50

 
 
WDS 20178+1417 : COMPONENTS
 
 
  A B
B pa=68.6°
sep=116.50"
 
C pa=87.3°
sep=56.53"
pa=232.4°
sep=65.57"
 
 
20178+1417 A
 
 
Coord arcsec 2000 201748.59+141712.2 Mag 14.36 PmRA 4.00 PmDE -2.0
 
 
20178+1417 B
 
 
Coord arcsec 2000 201756.05+141754.8 Coord calc 201756.05+141754.8 Mag 15.28 PmRA 0.00
PmDE -3.0 Calc delta mag 0.92
 
 
20178+1417 C
 
 
Coord arcsec 2000 201752.47+141714.8 Mag 14.89 PmRA 2.00 PmDE -5.0
Calc delta mag 0.53 Calc coord yes