Exposure
ID
GRAVI.2025-07-19T10:10:45.901_1
Header ID
GRAVI.2025-07-19T10:10:45.901
Date updated
2025-07-19 15:22:57 UTC+0000
Release date
2026-01-15 15:22:30 UTC+0000
UTC Start
2025-07-19 10:10:45.901
UTC End
2025-07-19 10:13:25.901
MJD Start
60875.42414237
MJD End
60875.425994221856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003281
Ambient temperature (°C)
12.38
Seeing (arcsec)
0.9299999999999999
Observation
ID
68868
Category
science
Program ID
115.27YJ.002
Program Title
ASTROMETRIC DETECTION OF PLANETS AROUND M-DWARFS AND BINARIES WITH GRAVITY
Program Type
GTO
PI / COI
BOURDAROT / EISENHAUER / KERVELLA / LACOUR / PERRIN / GILLESSEN / PFUHL / PAUMARD / BRANDNER / GARCIA / STRAUBMEIER / LE BOUQUIN / KREIDBERG / HOENIG / WIDMANN / ROUSSELET-PERRAUT / STURM / SHANGGUAN / MÉRAND / SHIMIZU
Target
ID
51236
Name
GJ65B
RA
24.773383
DEC
-17.94737
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.4720 90.4950 114.2000 114.4000
A0-J2 128.7940 128.9160 91.2000 91.4000
A0-K0 127.0300 127.2020 69.3730 69.6290
G1-J2 57.6590 57.7370 53.3000 53.6000
G1-K0 89.5420 89.6070 23.9570 24.2770
J2-K0 48.4020 48.3900 348.2210 348.5190
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27YJ.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60875.42414237
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME G 272-61
HIERARCH ESO INS SOBJ NAME GJ65B
RA 24.773383
DEC -17.94737
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 90.472
HIERARCH ESO ISS PBL12 END 90.495
HIERARCH ESO ISS PBLA12 START 114.2
HIERARCH ESO ISS PBLA12 END 114.4
HIERARCH ESO ISS PBL13 START 128.794
HIERARCH ESO ISS PBL13 END 128.916
HIERARCH ESO ISS PBLA13 START 91.2
HIERARCH ESO ISS PBLA13 END 91.4
HIERARCH ESO ISS PBL14 START 127.03
HIERARCH ESO ISS PBL14 END 127.202
HIERARCH ESO ISS PBLA14 START 69.373
HIERARCH ESO ISS PBLA14 END 69.629
HIERARCH ESO ISS PBL23 START 57.659
HIERARCH ESO ISS PBL23 END 57.737
HIERARCH ESO ISS PBLA23 START 53.3
HIERARCH ESO ISS PBLA23 END 53.6
HIERARCH ESO ISS PBL24 START 89.542
HIERARCH ESO ISS PBL24 END 89.607
HIERARCH ESO ISS PBLA24 START 23.957
HIERARCH ESO ISS PBLA24 END 24.277
HIERARCH ESO ISS PBL34 START 48.402
HIERARCH ESO ISS PBL34 END 48.39
HIERARCH ESO ISS PBLA34 START 348.221
HIERARCH ESO ISS PBLA34 END 348.519
HIERARCH ESO ISS AMBI TAU0 START 0.003281
HIERARCH ESO ISS AMBI TAU0 END 0.003281
HIERARCH ESO ISS AMBI TEMP 12.38
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.91
HIERARCH ESO FT ROBJ NAME GJ65A
HIERARCH ESO FT ROBJ ALPHA 013901.452
HIERARCH ESO FT ROBJ DELTA -175702.045