A near-infrared variability campaign of TMR-1: New light on the nature of the candidate protoplanet TMR-1C

Free Access

Table 2

Astrometry for TMR-1AB and TMR-1C.

TMR-1	Observation (Epoch)	Position		Sep^a	Position error	μ _α ^b	μ _δ
component		RA (J2000)	Dec (J2000)	[″]	[″]	[mas/yr]	[mas/yr]

C	WIRCam (2011 Oct.–2012 Jan.)	04 39 14.33	+25 53 12.58	10.2	0.3–0.8	–22.243	+4.887
AB	WIRCam (2011 Oct.–2012 Jan.)	04 39 13.98	+25 53 22.12		0.3–0.8	–40.027	+57.95

C	WIRCam (2009 Jan.)	04 39 14.22	+25 53 11.33		0.3–0.8

C	CFHTIR (2002 Oct.)	04 39 14.22	+25 53 12.18	9.8	0.1
AB	CFHTIR (2002 Oct.)	04 39 13.88	+25 53 21.20		0.1

C	HST/NICMOS^c (1998 Aug.)	04 39 14.14	+25 53 11.8	10	0.35
A	HST/NICMOS (1998 Aug.)	04 39 13.84	+25 53 20.6		0.35
B	HST/NICMOS (1998 Aug.)	04 39 13.83	+25 53 20.4		0.35

AB	2MASS (1998)	04 39 13.89	+25 53 20.88		0.08

Notes.

^(a)

Separation[″] between TMR-1AB and TMR-1C.

^(b)

Proper motion obtained from the 2002 and 2011 H-band positions. Errors on μ_α and μ_δ are 30.97 mas/yr and 30.90 mas/yr, respectively.

^(c)

HST/NICMOS positions from T98.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.