17204-1138 ARY 110 (HD 156880)

17^h 20^m 25.52^s -11° 36' 59.1" P.A. 237.00 sep 77.1 mag 8.06,8.71 Sp A2+G0

Coord 2000	17204-1138	Discov num	ARY 110	Comp		Coord arcsec 2000	17 20 25.52 -11 36 59.1
Date first	1907	Date last	2015	Obs	10
Pa first	242	Pa last	237.4	P.A. Now (θ)	237.4°
Sep first	76.5	Sep last	77.063	Sep. Now (ρ)	77.063"
Mag pri	8.06	Mag sec	8.71	delta mag (ΔM)	0.65	Spectral class	A2+G0 (white/yellow)
Pri motion ra	-005	Sec motion ra	+021
Pri motion dec	+002	Sec motion dec	-052
Notes	U (Proper motion indicates non-physical)

rPM=1.069

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 156880		Constellation	Serpens		SAO	160475		Tycho2	5653-00935-1
Gaia DR2	4142073027275772160		HD	156880

WDS 17204-1138 ARY 110 (HD 156880) : NOTES

No records found.

DISCOVERER

discov	author
ARY	Argyle, R.W.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
17204-1138	ARY 110		2013	1	238	76.3	8.10	9.20	A2+G0	-11 4349		172025.52-113659.1
17204-1138	ARY 110		2015	8	237	77.0	8.06	8.71	A2+G0	-11 4349	U	172025.52-113659.1

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WDS 17204-1138 ARY 110 (HD 156880) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17204-1138 ARY 110 (HD 156880) : MEASURES

No records found.

WDS 17204-1138 (HD 156880) : VIRTUAL EYEPIECE

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WDS 17204-1138 (HD 156880) : ALADIN DSS IMAGE @ 17^h 20^m 25.52^s -11° 36' 59.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17204-1138 ARY 110 (HD 156880) : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		17204-1138	ARY 110		237	77.1	0
Show		17199-1121	STF2148		220	5.6	18
Show		17192-1107	REI 1	AB	352	8.7	35
Show		17192-1107	KPP4389	AC	142	48.8	35
Show		17217-1103	HU 173		345	0.6	39
Show		17178-1149	LDS 593	AB	338	30.1	41
Show		17178-1149	CRC 23	AC	145	4.7	41
Show		17240-1142	BU 242	AB	79	1.2	54
Show		17240-1142	BU 242	AC	64	9.1	54
Show		17240-1142	BU 242	AD	61	48.3	54
Show		17209-1042	RST3971		80	8.6	56
Show		17208-1251	SHJ 247		25	45.6	75
Show		17162-1054	LSC 72		153	1.1	76
Show		17215-1314	WFC 192		125	5.1	99
Show		17142-1226	TDT 282		268	0.6	104
Show		17272-1209	HU 175		69	4.5	104
Show		17156-1018	BU 957		47	0.1	107
Show		17246-1312	RST3973		304	0.4	113
Show		17278-1211	HU 234	AB	220	0.4	114
Show		17278-1211	HU 234	AC	310	5.8	114
Show		17123-1131	YMG 86		90	0.1	119
Show		17157-0949	TOK 53	Ba,Bb	183	0.0	130
Show		17157-0949	A 2592	AB	62	0.2	130
Show		17159-1330	HDS2441		236	12.6	131
Show		17250-0931	FOX 201	AB	124	6.0	143
Show		17250-0931	FOX 201	AC	324	7.2	143
Show		17156-1343	KPP 394		132	3.3	146
Show		17240-0921	RST3972	Aa,Ab	161	0.1	146
Show		17240-0921	TOK 179	AB	298	18.9	146
Show		17306-1111	GWP2716		123	13.6	153
Show		17208-0902	A 28		36	2.0	155
Show		17250-0913	GWP2710	AB	194	58.5	160
Show		17309-1055	RST3979		258	0.5	160
Show		17102-1044	GWP2695		357	8.3	160
Show		17293-0959	STF2171		59	1.4	163
Show		17313-1058	TOK 708	Ba,Bb	319	0.3	165
Show		17313-1058	HU 673	AB	179	5.6	165
Show		17115-0956	HDS2428		15	0.3	166
Show		17098-1031	TOK 414		71	0.0	170
Show		17136-0917	BU 1247	AB	340	1.5	173
Show		17305-1006	RST3978		276	0.5	175
Show		17319-1230	GWP2722		285	49.3	177
Show		17120-1344	KPP2766		346	1.7	178
Show		17084-1202	UC 3294		204	43.7	179
Show		17085-1049	UC 3295		43	31.0	182
Show		17254-0850	HDS2460		341	0.7	183
Show		17105-1343	HDS2425		9	0.2	192
Show		17198-1449	BRT2742		246	4.3	193
Show		17153-1435	BU 282		151	4.2	193
Show		17255-1435	KPP 789	BC	177	6.8	194
Show		17317-0959	HDS2474		151	0.1	194

WDS 17204-1138 : COMPONENTS

	A
B	pa=237.4° sep=77.06"

17204-1138 A

Name	HD 156880		Coord arcsec 2000	172025.52-113659.1		Mag	8.06		Spectral class	A2 (white)
PmRA	-5.00		PmDE	2.0		Tycho2	5653-00935-1		HD	156880

Tycho2

Tycho2	5653-00935-1	Pflag		RAmdeg	260.10634010	DEmdeg	-11.61640576
PmRA	-4.0	PmDE	3.7	E RAmdeg	6	E DEmdeg	7
E pmRA	1.4	E pmDE	1.4	EpRAm	1991.20	EpDEm	1990.61
Num	7	Q RAmdeg	0.5	Q DEmdeg	0.3	Q pmRA	0.4
Q pmDE	0.3	BTmag	8.490	E BTmag	0.016	VTmag	8.062
E VTmag	0.013	Prox	769	TYC	T	HIP
CCDM		RAdeg	260.10634944	DEdeg	-11.61641444	EpRA 1990	1.76
EpDE 1990	1.44	E RAdeg	6.1	E DEdeg	7.1	Posflg
Corr	0.1

17204-1138 B

Coord arcsec 2000	172021.10-113740.6	Mag	8.71	Spectral class	G0 (yellow)	PmRA	21.00
PmDE	-52.0	Tycho2	5653-00573-1	HD	156861	Delta magnitude	0.65
Coordinate calculated	yes

Tycho2

Tycho2	5653-00573-1	Pflag		RAmdeg	260.08780057	DEmdeg	-11.62767643
PmRA	21.7	PmDE	-51.6	E RAmdeg	10	E DEmdeg	11
E pmRA	1.4	E pmDE	1.3	EpRAm	1990.11	EpDEm	1989.03
Num	7	Q RAmdeg	0.8	Q DEmdeg	0.7	Q pmRA	0.8
Q pmDE	0.7	BTmag	9.364	E BTmag	0.023	VTmag	8.710
E VTmag	0.017	Prox	769	TYC	T	HIP
CCDM		RAdeg	260.08774972	DEdeg	-11.62755333	EpRA 1990	1.76
EpDE 1990	1.45	E RAdeg	9.9	E DEdeg	12.2	Posflg
Corr	0.0