stampa
Login

Too lazy to login each time? Click on "Remember me" at login and forget about it!
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20435+1504
CIA 11
Del Del


Nearby doubles
8' : 20434+1512
UC 4270

15' : 20444+1500
BPM2243

22' : 20448+1512
BPM2253

26' : 20438+1440
J 1345

27' : 20427+1440
BPM2233

32' : 20413+1458
NSN 4

34' : 20455+1448
GWP2994

35' : 20436+1537
J 3108

36' : 20435+1540
GWP2990

43' : 20462+1520
YR 27AB

46' : 20457+1537
BPM2255

48' : 20402+1503
UC 4251

51' : 20465+1439
BPM2259

52' : 20467+1523
BPM2263

52' : 20419+1419
HU 1199

52' : 20445+1415
BPM2244

52' : 20466+1532
J 3110

54' : 20406+1539
HDS2947

56' : 20413+1551
UC 4257

58' : 20465+1429
BPM2260

60' : 20434+1604
HJ 1564

63' : 20446+1605
BPM2245

64' : 20418+1404
J 2575

64' : 20477+1519
BPM2266

64' : 20462+1554
STF2725AB

66' : 20391+1448
LEP 95



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20435+1504 CIA 11 (Del Del)

 
 
20h 43m 27.53s +15° 04' 28.5" P.A. 334.00 sep 0.0 mag 4.90,5.00 Sp F0IV-V dist. 68.45 pc (223.28 l.y.)
 
 
Coord 2000 20435+1504 Discov num CIA  11 Comp Coord arcsec 2000 20 43 27.53 +15 04 28.5
Date first 2011 Date last 2013 Obs 11
Pa first 337 Pa last 334.1 P.A. Now (θ) 334.1°
Sep first 0.0 Sep last 0.008 Sep. Now (ρ) 0.008"
Mag pri 4.90 Mag sec 5.00 delta mag (ΔM) 0.1 Spectral class F0IV-V (yellow-white)
Pri motion ra -020 Sec motion ra
Pri motion dec -043 Sec motion dec
Notes N O R (See Notes, Orbital solution, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Del Del Constellation Delphinus SAO 106425 HIP 102281
Tycho2 1634-03055-1 Gaia DR2 1762513222314906752 HD 197461 HR 7928
GC 28873 BD BD+14 4403 Bayer Delta Delphini Bayer name Del Del
Flamsteed 11 Delphini Flamsteed name 11 Del FK5 778 Distance 68.45
Distance ly 223.28 Bayer greek δ Del
 
 
ORBITAL ELEMENTS
 
 
Period (P)40.6051d± 0.00015 Periastron (T)56823.604d (2014.454y)± 0.03 Semi-major axis (a)5.4707m± 0.0039
Eccentricity (e)0.6319± 0.0043 Inclination (i)14.08°± 0.19 Longitude of periastron (ω)67.17°± 0.58
Node (Ω)65.17°± 0.58 Notes ReferenceCIA2018a
Equinox2000 Last observation2013 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 104.5 0.002
2001-01-01 95.4 0.002
2002-01-01 87.1 0.002
2003-01-01 79.5 0.002
2004-01-01 72.6 0.002
2005-01-01 66.3 0.003
2006-01-01 60.6 0.003
2007-01-01 55.5 0.003
2008-01-01 50.8 0.003
2009-01-01 46.5 0.003
2010-01-01 42.6 0.003
2011-01-01 39.0 0.003
2012-01-01 35.6 0.004
2013-01-01 32.5 0.004
2014-01-01 29.7 0.004
2015-01-01 27.0 0.004
2016-01-01 24.4 0.004
2017-01-01 22.0 0.004
2018-01-01 19.8 0.004
2019-01-01 17.7 0.004
2020-01-01 15.7 0.005
2021-01-01 13.8 0.005
2022-01-01 12.0 0.005
2023-01-01 10.2 0.005
2024-01-01 8.6 0.005
2025-01-01 7.0 0.005
2026-01-01 5.5 0.005
2027-01-01 4.0 0.005
2028-01-01 2.6 0.005
2029-01-01 1.3 0.006
2030-01-01 360.0 0.006


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds20435%2B1504a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 20435+1504 CIA 11 (Del Del) : NOTES
 
 
discov_num notes refcode
CIA 11 del Del.
CHARA Array Limb-darkened diameter of A,B: CIA2018a
= 0.500 +/- 0.014, 0.507 +/- 0.014 mas,
R = 3.43 +/- 0.11 , 3.48 +/- 0.11 \rsun,
L = 32.4 +/- 4.2 , 28.8 +/- 3.4 \lsun,
M = 1.78 +/- 0.07 , 1.62 +/- 0.07 \msun,
Teff = 7440 +/- 210 , 7110 +/- 180 K.
Orbital parallax = 15.72 +/- 0.22 mas.
 
 
REFERENCES
 
 
refcode metd author reference
CIA2018a Kc j Gardner, T., Monnier, J.D., Fekel, F.C., Williamson, M., Duncan, D.K., White, T.R., 2018ApJ...855....1G
CIA2018a +orb Ireland, M., Adams, F.C., Barman, T., Baron, F., ten Brummelaar, T., Che, X.,
CIA2018a Huber, D., Kraus, S., Roettenbacher, R.M., Schaefer, G., Sturmann, J., Sturmann, L.,
CIA2018a Swihart, S.J. & Zhao, M.
CIA2018a ApJ 855, 1, 2018
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20435+1504 CIA 11 2013 11 334 0.0 4.90 5.00 F0IV-V NO R 204327.53+150428.5

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

 
 
WDS 20435+1504 CIA 11 (Del Del) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20435+1504 CIA 11 (Del Del) : MEASURES
 
 
No records found.

 
 
WDS 20435+1504 (Del Del) : VIRTUAL EYEPIECE
 
 

20435+1504 CIA 11A mag 4.9 Sp F0IV 20435+1504 CIA 11B mag 5 Sp V 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 20435+1504 (Del Del) : ALADIN DSS IMAGE @ 20h 43m 27.53s +15° 04' 28.5"
 
 
 
 
WDS 20435+1504 CIA 11 (Del Del) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20435+1504 CIA 11 distance=0' 20434+1512 UC 4270 distance=8' 20444+1500 BPM2243 distance=15' 20448+1512 BPM2253 distance=22' 20438+1440 J 1345 distance=26' 20427+1440 BPM2233 distance=27' 20413+1458 NSN 4 distance=32' 20455+1448 GWP2994 distance=34' 20436+1537 J 3108 distance=35' 20435+1540 GWP2990 distance=36' 20462+1520 YR 27AB distance=43' 20457+1537 BPM2255 distance=46' 20402+1503 UC 4251 distance=48' 20465+1439 BPM2259 distance=51' 20467+1523 BPM2263 distance=52' 20419+1419 HU 1199 distance=52' 20445+1415 BPM2244 distance=52' 20466+1532 J 3110 distance=52' 20406+1539 HDS2947 distance=54' 20413+1551 UC 4257 distance=56' 20465+1429 BPM2260 distance=58' 20434+1604 HJ 1564 distance=60' 20446+1605 BPM2245 distance=63' 20418+1404 J 2575 distance=64' 20477+1519 BPM2266 distance=64' 20462+1554 WSI 110Aa,Ab distance=64' 20462+1554 STF2725AB distance=64' 20391+1448 LEP 95 distance=66' 20391+1526 BPM2219 distance=67' 20393+1529 HEI 77 distance=67' 20468+1420 BRT1347 distance=67' 20388+1500 BU 435 distance=68' 20406+1559 BPM2225 distance=69' 20458+1405 BPM2256 distance=69' 20477+1430 TDT2542 distance=70' 20483+1444 LSC 93 distance=73' 20397+1415 UC 4247 distance=74' 20485+1450 BRT1349 distance=75' 20485+1448 J 1890 distance=75' 20396+1555 WCK 2Aa,Ab (Sualocin) distance=75' 20396+1555 BU 298AB (Sualocin) distance=75' 20396+1555 HJ 1554AC (Sualocin) distance=75' 20396+1555 BU 298AD (Sualocin) distance=75' 20396+1555 BU 298AE (Sualocin) distance=75' 20396+1555 BU 298AF (Sualocin) distance=75' 20396+1555 CIA 23Ab1,2 distance=75' 20468+1602 BPM2264 distance=75' 20415+1611 J 2319 distance=76' 20391+1550 BU 288AB distance=79' 20391+1550 BU 288AC distance=79' 20391+1550 BU 288AD distance=79' 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 20435+1504 CIA 11 334 0.0
Show 20434+1512 UC 4270 2 52.2 8
Show 20444+1500 BPM2243 169 106.5 15
Show 20448+1512 BPM2253 241 75.8 22
Show 20438+1440 J 1345 278 3.5 26
Show 20427+1440 BPM2233 190 72.4 27
Show 20413+1458 NSN 4 71 4.6 32
Show 20455+1448 GWP2994 229 32.3 34
Show 20436+1537 J 3108 196 6.3 35
Show 20435+1540 GWP2990 291 26.5 36
Show 20462+1520 YR 27 AB 240 0.9 43
Show 20457+1537 BPM2255 85 72.3 46
Show 20402+1503 UC 4251 291 52.0 48
Show 20465+1439 BPM2259 296 106.3 51
Show 20467+1523 BPM2263 265 53.6 52
Show 20419+1419 HU 1199 249 0.7 52
Show 20445+1415 BPM2244 315 57.7 52
Show 20466+1532 J 3110 222 6.9 52
Show 20406+1539 HDS2947 111 0.2 54
Show 20413+1551 UC 4257 208 20.3 56
Show 20465+1429 BPM2260 89 86.7 58
Show 20434+1604 HJ 1564 41 11.4 60
Show 20446+1605 BPM2245 198 112.1 63
Show 20418+1404 J 2575 305 1.7 64
Show 20477+1519 BPM2266 294 106.0 64
Show 20462+1554 WSI 110 Aa,Ab 343 0.0 64
Show 20462+1554 STF2725 AB 12 6.2 64
Show 20391+1448 LEP 95 151 8.5 66
Show 20391+1526 BPM2219 170 85.3 67
Show 20393+1529 HEI 77 41 1.4 67
Show 20468+1420 BRT1347 30 3.3 67
Show 20388+1500 BU 435 119 3.1 68
Show 20406+1559 BPM2225 57 22.7 69
Show 20458+1405 BPM2256 194 73.0 69
Show 20477+1430 TDT2542 76 0.5 70
Show 20483+1444 LSC 93 142 0.2 73
Show 20397+1415 UC 4247 147 32.7 74
Show 20485+1450 BRT1349 46 2.7 75
Show 20485+1448 J 1890 141 6.8 75
Show Sualocin 20396+1555 WCK 2 Aa,Ab 289 0.1 75
Show Sualocin 20396+1555 BU 298 AB 233 35.5 75
Show Sualocin 20396+1555 HJ 1554 AC 277 48.4 75
Show Sualocin 20396+1555 BU 298 AD 160 45.4 75
Show Sualocin 20396+1555 BU 298 AE 304 57.2 75
Show Sualocin 20396+1555 BU 298 AF 118 72.2 75
Show 20396+1555 CIA 23 Ab1,2 250 0.0 75
Show 20468+1602 BPM2264 222 107.2 75
Show 20415+1611 J 2319 192 7.5 76
Show 20391+1550 BU 288 AB 154 5.2 79
Show 20391+1550 BU 288 AC 122 39.9 79
Show 20391+1550 BU 288 AD 146 28.8 79

 
 
WDS 20435+1504 : COMPONENTS
 
 
  A
B pa=334.9°
sep=0.01"
 
 
20435+1504 A
 
 
Componente originario normalizzato AB Name Del Del Coord arcsec 2000 204327.53+150428.5 Mag 4.9
Spectral class F0IV (yellow-white) PmRA -20.00 PmDE -43.0 Tycho2 1634-03055-1
Tycho2
Tycho2 1634-03055-1 Pflag RAmdeg 310.86472592 DEmdeg 15.07457822
PmRA -19.1 PmDE -42.5 E RAmdeg 3 E DEmdeg 4
E pmRA 0.5 E pmDE 0.6 EpRAm 1991.15 EpDEm 1990.56
Num 21 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 0.8 BTmag 4.762 E BTmag 0.014 VTmag 4.453
E VTmag 0.009 Prox 999 TYC T HIP 102281
CCDM RAdeg 310.86477111 DEdeg 15.07468028 EpRA 1990 1.73
EpDE 1990 1.38 E RAdeg 3.2 E DEdeg 3.5 Posflg
Corr 0.1
 
 
20435+1504 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204327.53+150428.5 Mag 5 Spectral class V
SAO 106425 HIP 102281 HD 197461 HR 7928
GC 28873 BD BD+14 4403 Flamsteed 11 Delphini Flamsteed name 11 Del
FK5 778 Calc delta mag 0.1 Calc coord yes
SAO
SAO 106425 DelFlag RA1950 PmRA1950 -0.0014
DE1950 PmDE1950 -0.041 Vmag 4.5 SpType A5
Double code Source 74 CatNum 778 DM BD+14 4403
DMcomp BDsup HD 197461 M HD 0
GC 28873 RA1950rad 5.41542306 DE1950rad 0.25995074 PmRA2000 -0.0013
PmDE2000 -0.044
Hipparcos
Catalog H HIP 102281 Proxy RAhms 20 43 27.55
DEdms +15 04 28.9 Vmag 4.43 VarFlag 1 R Vmag H
RAdeg 310.865 DEdeg 15.0747 AstroRef Plx 16.03
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 197461 BD BD+14 4403
CD CP Dm number +14 4403 VIred 0.34
SpType A7IIIp d Del R SpType Coord arcsec 2000 204327.55+150428.9
Hipparcos 2
HIP 102281 Sn 5 So 0 Nc 1
RArad 5.4256138327 DErad 0.2631028406 Plx 14.61 PmRA -20.44
PmDE -43.33 E RArad 0.15 E DErad 0.13 E Plx 0.2
E pmRA 0.19 E pmDE 0.14 Hpmag 4.504 E Hpmag 0.003
SHp 0.025 VA 1 BV 0.302 E BV 0.013
VI 0.34