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Doubles in session


Current system
20188+1442
CHE 300


Nearby doubles
4' : 20186+1444
CHE 296

6' : 20190+1447
GWP2937

14' : 20190+1456
CHE 303

14' : 20181+1452
BPM2096

15' : 20178+1440
CHE 282

19' : 20175+1444
CHE 277

21' : 20177+1429
BPM2092

22' : 20173+1443
CHE 275

22' : 20180+1501
CHE 287

24' : 20182+1504
BPM2097

24' : 20196+1502
BPM2112

24' : 20204+1447
BPM2119

24' : 20174+1430
BPM2089

24' : 20172+1446
BPM2088

26' : 20177+1503
CHE 279

26' : 20194+1507
BPM2110

27' : 20183+1508
BPM2098

27' : 20171+1434
BPMA244

28' : 20177+1504
BPM2091

28' : 20183+1509
CHE 294AB

28' : 20197+1507
BPM2113

29' : 20204+1427
BPM2120

29' : 20179+1508
A 1669

30' : 20178+1417
BPM2093AB

31' : 20182+1511
A 1670

34' : 20166+1431
BPM2085



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

20188+1442 CHE 300

 
 
20h 18m 48.25s +14° 42' 31.0" P.A. 319.00 sep 40.2 mag 10.92,12.71 Sp A5+A0
 
 
Coord 2000 20188+1442 Discov num CHE 300 Comp Coord arcsec 2000 20 18 48.25 +14 42 31.0
Date first 1910 Date last 2016 Obs 16
Pa first 318 Pa last 318.8 P.A. Now (θ) 318.8°
Sep first 38.4 Sep last 40.233 Sep. Now (ρ) 40.233"
Mag pri 10.92 Mag sec 12.71 delta mag (ΔM) 1.79 Spectral class A5+A0 (white/white)
Pri motion ra +004 Sec motion ra -001
Pri motion dec -023 Sec motion dec -007
Notes
rPM=0.718
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1086-00297-1 Gaia DR2 1805214100712813184 HD 355408
 
 
WDS 20188+1442 CHE 300 : 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
20188+1442 CHE 300 1998 3 319 40.0 9.39 9.93 D 201848.25+144231.0
20188+1442 CHE 300 2008 4 319 40.2 9.39 9.93 D 201848.25+144231.0
20188+1442 CHE 300 2013 7 320 40.1 9.39 9.93 201848.25+144231.0
20188+1442 CHE 300 2016 12 319 40.2 10.92 12.71 A5+A0 201848.25+144231.0

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

 
 
WDS 20188+1442 CHE 300 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20188+1442 CHE 300 : MEASURES
 
 
No records found.

 
 
WDS 20188+1442 : VIRTUAL EYEPIECE
 
 

20188+1442 CHE 300A mag 10.92 Sp A5 20188+1442 CHE 300B sep 39.7 P.A. 319.70 mag 12.71 Sp A0 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20188+1442 : ALADIN DSS IMAGE @ 20h 18m 48.25s +14° 42' 31.0"
 
 
 
 
WDS 20188+1442 CHE 300 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20188+1442 CHE 300 distance=0' 20186+1444 CHE 296 distance=4' 20190+1447 GWP2937 distance=6' 20190+1456 CHE 303 distance=14' 20181+1452 BPM2096 distance=14' 20178+1440 CHE 282 distance=15' 20175+1444 CHE 277 distance=19' 20177+1429 BPM2092 distance=21' 20173+1443 CHE 275 distance=22' 20180+1501 CHE 287 distance=22' 20194+1422 A 1672BC distance=22' 20194+1422 STF2665A,BC distance=22' 20182+1504 BPM2097 distance=24' 20196+1502 BPM2112 distance=24' 20204+1447 BPM2119 distance=24' 20174+1430 BPM2089 distance=24' 20172+1446 BPM2088 distance=24' 20177+1503 CHE 279 distance=26' 20194+1507 BPM2110 distance=26' 20183+1508 BPM2098 distance=27' 20171+1434 BPMA244 distance=27' 20177+1504 BPM2091 distance=28' 20183+1509 CHE 294AB distance=28' 20183+1509 CHE 294AC distance=28' 20197+1507 BPM2113 distance=28' 20178+1417 BPM2094BC distance=28' 20204+1427 BPM2120 distance=29' 20179+1508 A 1669 distance=29' 20178+1417 BPM2093AB distance=30' 20182+1511 A 1670 distance=31' 20166+1431 BPM2085 distance=34' 20192+1517 BPM2107 distance=35' 20167+1459 BPM2086 distance=35' 20200+1412 BPM2115 distance=36' 20169+1506 CHE 268BC distance=36' 20169+1506 CHE 268AB distance=36' 20169+1506 ABH 136AD distance=36' 20169+1506 ABH 136AE distance=36' 20169+1506 ABH 136AF distance=36' 20169+1506 ABH 136AG distance=36' 20169+1506 ABH 136AH distance=36' 20169+1506 ABH 136AI distance=36' 20169+1506 ABH 136AJ distance=36' 20169+1506 ABH 136AK distance=36' 20169+1506 ABH 136AL distance=36' 20169+1506 CHE 268AC distance=36' 20212+1433 AG 403 distance=37' 20185+1519 BPM2100 distance=37' 20181+1519 CHE 290 distance=38' 20164+1500 CHE 262 distance=39' 20172+1515 CHE 274AB distance=40' 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 20188+1442 CHE 300 319 40.2
Show 20186+1444 CHE 296 23 28.2 4
Show 20190+1447 GWP2937 61 7.5 6
Show 20190+1456 CHE 303 260 21.5 14
Show 20181+1452 BPM2096 2 45.2 14
Show 20178+1440 CHE 282 134 15.2 15
Show 20175+1444 CHE 277 346 4.0 19
Show 20177+1429 BPM2092 318 79.2 21
Show 20173+1443 CHE 275 332 30.4 22
Show 20180+1501 CHE 287 134 27.4 22
Show 20194+1422 A 1672 BC 59 0.1 22
Show 20194+1422 STF2665 A,BC 12 3.3 22
Show 20182+1504 BPM2097 355 46.9 24
Show 20196+1502 BPM2112 85 109.1 24
Show 20204+1447 BPM2119 30 110.7 24
Show 20174+1430 BPM2089 200 85.8 24
Show 20172+1446 BPM2088 343 73.4 24
Show 20177+1503 CHE 279 181 6.8 26
Show 20194+1507 BPM2110 256 78.9 26
Show 20183+1508 BPM2098 80 119.1 27
Show 20171+1434 BPMA244 112 297.6 27
Show 20177+1504 BPM2091 71 77.9 28
Show 20183+1509 CHE 294 AB 358 16.0 28
Show 20183+1509 CHE 294 AC 238 13.9 28
Show 20197+1507 BPM2113 3 78.8 28
Show 20178+1417 BPM2094 BC 233 66.9 28
Show 20204+1427 BPM2120 168 117.9 29
Show 20179+1508 A 1669 247 3.1 29
Show 20178+1417 BPM2093 AB 68 116.6 30
Show 20182+1511 A 1670 216 0.4 31
Show 20166+1431 BPM2085 221 113.9 34
Show 20192+1517 BPM2107 264 67.4 35
Show 20167+1459 BPM2086 286 62.5 35
Show 20200+1412 BPM2115 187 115.5 36
Show 20169+1506 CHE 268 BC 354 28.4 36
Show 20169+1506 CHE 268 AB 213 10.2 36
Show 20169+1506 ABH 136 AD 281 39.7 36
Show 20169+1506 ABH 136 AE 231 74.0 36
Show 20169+1506 ABH 136 AF 217 52.4 36
Show 20169+1506 ABH 136 AG 212 51.0 36
Show 20169+1506 ABH 136 AH 190 55.4 36
Show 20169+1506 ABH 136 AI 181 67.9 36
Show 20169+1506 ABH 136 AJ 57 93.0 36
Show 20169+1506 ABH 136 AK 65 103.2 36
Show 20169+1506 ABH 136 AL 64 125.3 36
Show 20169+1506 CHE 268 AC 337 21.4 36
Show 20212+1433 AG 403 292 43.1 37
Show 20185+1519 BPM2100 115 114.5 37
Show 20181+1519 CHE 290 153 10.2 38
Show 20164+1500 CHE 262 245 19.7 39
Show 20172+1515 CHE 274 AB 148 27.5 40

 
 
WDS 20188+1442 : COMPONENTS
 
 
  A
B pa=319.7°
sep=39.67"
 
 
20188+1442 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201848.25+144231.0 Mag 10.92 Spectral class A5 (white)
PmRA 4.00 PmDE -23.0 Tycho2 1086-00297-1 HD 355408
Tycho2
Tycho2 1086-00297-1 Pflag RAmdeg 304.70105099 DEmdeg 14.70862060
PmRA 12.9 PmDE -21.0 E RAmdeg 35 E DEmdeg 44
E pmRA 1.8 E pmDE 1.7 EpRAm 1982.65 EpDEm 1981.11
Num 4 Q RAmdeg 1.6 Q DEmdeg 0.4 Q pmRA 1.6
Q pmDE 0.4 BTmag 11.418 E BTmag 0.076 VTmag 10.940
E VTmag 0.077 Prox 999 TYC T HIP
CCDM RAdeg 304.70100222 DEdeg 14.70866889 EpRA 1990 1.53
EpDE 1990 1.47 E RAdeg 47.9 E DEdeg 50.1 Posflg
Corr 0.0
 
 
20188+1442 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201846.48+144301.3 Mag 12.71 Spectral class A0 (white)
PmRA -1.00 PmDE -7.0 Calc delta mag 1.79 Calc coord yes