18550+4822 KOI 2754 AC
18h 54m 59.02s +48° 22' 24.1" P.A. 313.00 sep 2.4 mag 10.60,19.80
Coord 2000
18550+4822
Discov num
KOI2754
Comp
AC
Coord arcsec 2000
18 54 59.02 +48 22 24.1
Date first
2013
Date last
2013
Obs
1
Pa first
313
Pa last
312.9
P.A. Now (θ)
312.9°
Sep first
2.4
Sep last
2.431
Sep. Now (ρ)
2.431"
Mag pri
10.60
Mag sec
19.80
delta mag (ΔM)
9.2
Spectral class
Pri motion ra
-016
Sec motion ra
Pri motion dec
+011
Sec motion dec
Notes
N
K
(See Notes, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
18550+4822 SYSTEM COMPONENTS
Show
name
SAO
coord
wds_name
last
obs
pa
sep
mag1
mag2
d_mag
orb
current
Show
18 54 59 +48 22 24
KOI 2754 AB
2017
19
260
0.8
12.40
15.70
3.30
Show
18 54 59 +48 22 24
KOI 2754 AC
2013
1
313
2.4
10.60
19.80
9.20
<===
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation
Draco
Gaia DR2
2131677584235170048
WDS 18550+4822 KOI 2754 AC : NOTES
discov_num
notes
refcode
KOI2754
This system hosts a 0.7 Rearth planet candidate with a 1.3 day period
(Burke et al. 2014). Our ARIES observations revealed a companion 2.11
KOI2014a
J mags and 1.65 Ks mags fainter than KOI2754 at a 0".763 separation.
The predicted Kp mag of the companion star is Kp = 15.3 (dKp = 3.0)
if the star is a dwarf and Kp = 15.2 (dKp = 2.9) if the star is a
giant. The companion star was also detected in the WIYN speckle
imaging acquired with DSSI. The companion is 3.12 mag. fainter than
KOI2754 at 692 nm and 2.56 mags fainter at 880 nm. Assuming that the
planet orbits the target star and that all of the light from the
companion is captured in the Kepler aperture, then the planet radius
should be increased by 3% to account for dilution. KOI2754 does not
exhibit a significant source offset during transit.
Dre2014
REFERENCES
refcode
metd
author
reference
Dre2014
A j
Dressing, C.D., Adams, E.R., Dupree, A.K., Kulesa, C., & McCarthy, D.
2014AJ....148...78D
Dre2014
AJ 148, 78, 2014 (additional info from Furlan et al. 2017)
2017AJ....153...71F
KOI2014a
not -
Burke, C.J., Bryson, S.T., Mullally, F., et al.
2014ApJS..210...19B
KOI2014a
ApJS 210, 19, 2014 (see Dressing et al. 2014)
2014AJ....148...78D
WDS HISTORIC DATA
coord_2000
discov_num
comp
epoch
obs
pa
sep
mag_pri
mag_sec
spectr
notes
coord_arcsec_2000
18550+4822
KOI2754
AC
2013
1
313
2.4
10.60
19.80
K
185459.02+482224.1
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18550+4822 KOI 2754 AC : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18550+4822 KOI 2754 AC : MEASURES
No records found.
WDS 18550+4822 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
WDS 18550+4822 : ALADIN DSS IMAGE @ 18h 54m 59.02s +48° 22' 24.1"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS
WDS 18550+4822 KOI 2754 AC : NEIGHBORHOODS
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
18550+4822
KOI2754
AB
260
0.8
Show
18550+4822
KOI2754
AC
313
2.4
Show
18545+4823
WOL 4
98
4.0
5
Show
18533+4824
KOI3564
282
4.9
18
Show
18541+4806
KOI1311
176
0.4
19
Show
18534+4833
KOI 344
AB
178
4.1
20
Show
18534+4833
KOI 344
AC
210
3.6
20
Show
18532+4811
RAO 173
AB
350
1.9
22
Show
18528+4820
DEA 369
122
17.2
22
Show
18524+4822
DEA 402
118
20.3
25
Show
18532+4841
JKA 12
113
24.0
26
Show
18565+4846
DEA 341
163
14.8
29
Show
18525+4808
KOI1989
40
0.8
30
Show
18548+4852
BU 1255
AB
12
0.7
30
Show
18548+4852
BU 1255
AC
272
27.5
30
Show
18548+4752
KOI 747
177
3.9
31
Show
18580+4832
BVD 264
163
24.0
33
Show
18551+4748
KOI 748
AB
75
3.0
35
Show
18551+4748
KOI 748
AC
54
3.6
35
Show
18556+4747
KOI 336
261
3.4
36
Show
18553+4743
JKA 15
155
27.6
40
Show
18512+4835
DEA 278
339
11.5
40
Show
18517+4758
KOI4366
AB
303
2.4
42
Show
18591+4821
DEA 449
143
30.1
42
Show
18549+4737
RAO 401
309
3.7
46
Show
18526+4901
A 1384
61
0.7
46
Show
18570+4741
KOI 532
232
1.0
46
Show
18582+4858
KOI 258
AB
73
1.0
48
Show
18582+4858
KOI 258
AC
75
1.4
48
Show
18582+4858
KOI 258
Aa,Ab
79
0.4
48
Show
18582+4858
GII 275
Aa1,2
130
0.1
48
Show
18549+4734
DEA 460
287
36.6
48
Show
18583+4857
GII 46
84
0.4
48
Show
18517+4859
JKA 10
AB
154
260.1
50
Show
18517+4859
KPP3428
AC
192
13.5
50
Show
18576+4738
DEA 327
114
13.8
52
Show
18559+4914
KOI1436
243
5.8
53
Show
19003+4835
DEA 191
78
8.9
56
Show
18518+4734
KOI 289
AB
233
0.0
58
Show
18518+4734
KOI 289
AC
52
3.3
58
Show
18518+4734
KOI 289
AD
88
5.9
58
Show
18561+4725
DEA 265
333
10.9
59
Show
18545+4920
DEA 165
240
8.3
59
Show
18489+4816
KOI1287
339
2.6
61
Show
18511+4736
TDT1085
104
2.7
62
Show
18567+4922
KOI 768
86
3.6
62
Show
19011+4834
KOI1800
43
3.9
62
Show
19009+4848
KOI2497
211
3.1
65
Show
19013+4844
KOI1482
33
5.1
66
Show
18486+4844
DEA 284
128
11.6
67
Show
18555+4713
COU2121
336
1.3
69
WDS 18550+4822 : COMPONENTS
A
B
B
pa=255.6°
sep=0.53"
C
pa=324.4°
sep=2.03"
pa=339.3°
sep=1.91"
18550+4822 A
Coord arcsec 2000
185459.02+482224.1
Mag
12.4
PmRA
-16.00
PmDE
11.0
18550+4822 B
Coord arcsec 2000
185458.97+482224.0
Mag
15.7
Calc delta mag
3.3
Calc coord
yes
18550+4822 C
Coord arcsec 2000
185458.90+482225.8
Mag
19.8
Calc delta mag
7.4
Calc coord
yes