16495+3149 GRV 938

16^h 49^m 30.36^s +31° 49' 56.1" P.A. 239.00 sep 29.9 mag 9.54,12.51 Sp G5

Coord 2000	16495+3149	Discov num	GRV 938	Comp		Coord arcsec 2000	16 49 30.36 +31 49 56.1
Date first	1902	Date last	2016	Obs	12
Pa first	238	Pa last	238.6	P.A. Now (θ)	238.6°
Sep first	29.8	Sep last	29.869	Sep. Now (ρ)	29.869"
Mag pri	9.54	Mag sec	12.51	delta mag (ΔM)	2.97	Spectral class	G5 (yellow)
Pri motion ra	-011	Sec motion ra	-016
Pri motion dec	+023	Sec motion dec	+022
Notes

rPM=0.187 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Hercules

Tycho2

2589-01244-1

Gaia DR2

1313214223875998208

WDS 16495+3149 GRV 938 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Grv2004	Eu -	Greaves, J.	2004MNRAS.355..585G
Grv2004		MNRAS 355, 585, 2004
Grv2005a	Es -	Greaves, J.	...................
Grv2005a	+C	Webb Soc., Double Star Circ. 13, 2005 (GRV 973 - 1147)
Grv2005a		(Note: RA for all WDS designations inadvertently truncated to integer minute)
Grv2005b	Pa -	Greaves, J.	...................
Grv2005b		private communication
Grv2005c	C -	Greaves, J.	2005JDSO....1...41G
Grv2005c		JDSO 1, 41, 2005
Grv2006	-	Greaves, J.	...................
Grv2006		private communication, 2006
Grv2006		(measures done using LSPM-north, see Vizier On-line Data Catalog I/298;
Grv2006		Lepine & Shara 2005)
Grv2006b	Es -	Greaves, J.	...................
Grv2006b		private Communication, 2006
Grv2006b		(Reduction of SDSS data. Calculated position is to J2000, but actual observation
Grv2006b		epoch is unknown and proper motion may or may not have been applied.)
Grv2006c	Ey -	Greaves, J.	...................
Grv2006c		private Communication, 2006
Grv2006c		(Reduction of SPM3.3 data. Calculated position is to 1991.25, but actual
Grv2006c		observation epoch is unknown and proper motion may or may not have been applied.)
Grv2008	Es -	Greaves, J.	...................
Grv2008		Webb Soc., Double Star Circ. 16, 2008
Grv2011	C -	Greaves, J.	...................
Grv2011		Webb Soc., Double Star Circ. 19, 2011
Grv2011		These carry a discovery designation of SPM and come from the SPM4 Catalog	2011AJ....142...15G
Grv2019a	Hg u	Greaves, J.	2019JDSO...15...59G
Grv2019a		JDSO 15, 59, 2019
Grv2019b	Hg u	Greaves, J.	2019JDSO...15...77G
Grv2019b		JDSO 15, 59, 2019
Grv2019c	Hg u	Greaves, J.	...................
Grv2019c		private communication, 2019 (17 April 2019 email)
Grv2019d	Hg -	Greaves, J.	.
Grv2019d		private communication, 2019 (4 Nov 2019 email)
Grv2020a	not -	Greaves, J.	.
Grv2020a		private communication, 2020 (14 Mar 2020 email)
Grv2020b	Hg j	Greaves, J.	.
Grv2020b		Webb Soc., Double Star Circ. 28, 23, 2020
Grv2020c	Hg j	Greaves, J.	.
Grv2020c		Webb Soc., Double Star Circ. 28, 35, 2020
Grv2020d	Hg j	Greaves, J.	.
Grv2020d		Webb Soc., Double Star Circ. 28, 39, 2020
Grv2020e	Hg u	Greaves, J.	2020JDSO...16..317G
Grv2020e		JDSO 16, 317, 2020
Grv2020f	Hg	Greaves, J.	2020JDSO...16..362G
Grv2020f		JDSO 16, 362, 2020
Grv2020g	Hg -	Greaves, J.	.
Grv2020g		private communication, 2020 (29 Nov 2020 email)
Grv2020h	Hg -	Greaves, J.	.
Grv2020h		private communication, 2020 (10 Dec 2020 email)
Grv2020i	Hg -	Greaves, J.	.
Grv2020i		private communication, 2020 (12 Dec 2020 email)
Grv2020j	Hg -	Greaves, J.	.
Grv2020j		private communication, 2020 (21 Dec 2020 email)
Grv2021a	not -	Greaves, J.	.
Grv2021a		private communication, 2021 (18 Feb 2021 email)
Grv2021b	not -	Greaves, J.	.
Grv2021b		private communication, 2021 (23 Feb 2021 email)
Grv2021c	Hg+ -	Greaves, J., Rica Romero, F.M. & Otero, S.	2021JDSO...17..137G
Grv2021c	+orb	JDSO 17, 137, 2021
Grv2021d	Hg -	Greaves, J.	.
Grv2021d		private communication, 2021 (23 Aug 2021 email)
Grv2021e	Hg -	Greaves, J.	.
Grv2021e		private communication, 2021 (24 Aug 2021 email)
Grv2022	Hg j	Greaves, J. .
Grv2022		Webb Soc., Double Star Circ. 30, 27, 2022
Grv2023a	Hg -	Greaves, J.	.
Grv2023a		private communication, 2023 (15 Feb 2023 email)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16495+3149	GRV 938		2000	5	239	29.7	9.30	12.30		D	164930.36+314956.1
16495+3149	GRV 938		2002	6	239	29.9	9.30	12.30		D	164930.36+314956.1
16495+3149	GRV 938		2010	6	239	29.9	9.54	12.51	G5		164930.36+314956.1
16495+3149	GRV 938		2015	7	239	29.9	9.54	12.51	G5		164930.36+314956.1
16495+3149	GRV 938		2016	12	239	29.9	9.54	12.51	G5		164930.36+314956.1

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

WDS 16495+3149 GRV 938 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16495+3149 GRV 938 : MEASURES

No records found.

WDS 16495+3149 : VIRTUAL EYEPIECE

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

WDS 16495+3149 : ALADIN DSS IMAGE @ 16^h 49^m 30.36^s +31° 49' 56.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16495+3149 GRV 938 : 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		16495+3149	GRV 938		239	29.9
Show		16518+3151	BU 821		324	1.3	30
Show		16476+3129	TDS 836		217	2.6	33
Show		16530+3142	BU 1454		64	75.4	45
Show		16460+3213	SLW1195		33	175.4	51
Show		16447+3148	COU 804		15	0.2	62
Show		16496+3044	GRV 939		207	8.0	66
Show		16472+3300	CVR1674		122	3.9	77
Show		16550+3223	COU 988		86	1.7	79
Show		16565+3152	TDT 154		345	0.8	90
Show		16426+3113	SEI 540		227	11.5	96
Show		16546+3036	LDS4701		251	273.0	97
Show		16460+3324	KPP1386		255	10.4	104
Show		16441+3308	TDT 57		21	0.5	104
Show		16413+3136	STF2084		110	1.6	106
Show		16446+3023	CVR 839		254	17.4	108
Show		16521+3006	ROE 3		21	6.1	111
Show		16582+3147	STF2112		263	2.3	112
Show		16456+3008	UC 3226		268	33.0	114
Show		16584+3210	COU 990		135	2.3	116
Show		16566+3037	KPP1215		25	9.4	117
Show		16416+3053	LSC 66		98	0.0	117
Show		16583+3117	GRV 944		218	59.7	118
Show		16457+3000	STF2098	DE	268	5.8	119
Show		16580+3101	HDS2400		87	1.3	120
Show		16580+3101	YSC 225	A,Bb	82	1.3	120
Show		16457+3000	STF2098	AB	145	14.2	120
Show		16457+3000	STF2098	AD	18	67.6	120
Show		16457+3000	STF2098	AC	128	65.6	120
Show		16583+3107	COU 989		195	0.3	121
Show		16457+3000	STF2098	BC	124	52.4	121
Show		16479+2951	UC 3234		63	7.3	121
Show		16589+3212	FMR 129		183	161.0	121
Show		16431+3321	GRV 935		293	10.5	122
Show		16591+3146	KPP 384		306	3.6	123
Show		16455+3350	SKF 262		146	8.2	130
Show		16594+3231	UC 3269		155	42.1	133
Show		16450+3355	POP 5		140	0.7	138
Show		16401+3038	LAU 3		263	80.2	141
Show		16414+3016	HDS2368		157	0.8	141
Show		16386+3129	KPP1528		141	11.5	141
Show		16384+3221	SLW1190		68	13.3	145
Show		16382+3212	ZHN 9		74	39.4	145
Show		16413+3006	A 349		127	0.7	148
Show		17003+3056	ISO 3		90	1.0	149
Show		17004+3058	HLM 8		347	19.8	150
Show		16498+3421	RAO 358		106	0.4	151
Show		16450+3412	UC 3222		33	44.6	153
Show		16534+2925	HEI 13		122	7.8	154
Show		16450+2928	COU 490		294	0.1	154
Show		16559+2939	TDT 150		98	2.1	155

WDS 16495+3149 : COMPONENTS

	A
B	pa=234.3° sep=26.67"

16495+3149 A

Componente originario normalizzato	AB		Coord arcsec 2000	164930.36+314956.1		Mag	9.54		Spectral class	G5 (yellow)
PmRA	-11.00		PmDE	23.0		Tycho2	2589-01244-1

Tycho2

Tycho2	2589-01244-1	Pflag		RAmdeg	252.37650544	DEmdeg	31.83227021
PmRA	-11.0	PmDE	25.5	E RAmdeg	15	E DEmdeg	14
E pmRA	1.2	E pmDE	1.2	EpRAm	1988.50	EpDEm	1989.12
Num	11	Q RAmdeg	1.1	Q DEmdeg	1.1	Q pmRA	1.0
Q pmDE	1.0	BTmag	10.910	E BTmag	0.042	VTmag	9.541
E VTmag	0.020	Prox	999	TYC	T	HIP
CCDM		RAdeg	252.37653222	DEdeg	31.83221111	EpRA 1990	1.56
EpDE 1990	1.68	E RAdeg	16.3	E DEdeg	15.0	Posflg
Corr	0.0

16495+3149 B

Componente originario normalizzato	AB		Coord arcsec 2000	164928.66+314940.5		Mag	12.51		PmRA	-16.00
PmDE	22.0		Calc delta mag	2.97		Calc coord	yes