Exposure
ID
GRAVI.2025-07-19T08:53:51.704_2
Header ID
GRAVI.2025-07-19T08:53:51.704
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 08:53:51.704
UTC End
2025-07-19 08:56:31.704
MJD Start
60875.37073732
MJD End
60875.37258917186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004104
Ambient temperature (°C)
12.59
Seeing (arcsec)
0.6799999999999999
Observation
ID
68866
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
51234
Name
HD142B
RA
1.5796945833333333
DEC
-49.07619925
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.7640 88.9000 113.0000 113.5000
A0-J2 129.1480 129.1840 91.5000 92.0000
A0-K0 127.0840 126.9570 71.5450 72.0860
G1-J2 56.7760 56.6820 56.6000 57.1000
G1-K0 84.3270 84.1970 27.4120 27.8030
J2-K0 44.4020 44.4340 348.8930 349.2390
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 60875.37073732
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 142
HIERARCH ESO INS SOBJ NAME HD142A
RA 1.581387
DEC -49.07592
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 88.764
HIERARCH ESO ISS PBL12 END 88.9
HIERARCH ESO ISS PBLA12 START 113.0
HIERARCH ESO ISS PBLA12 END 113.5
HIERARCH ESO ISS PBL13 START 129.148
HIERARCH ESO ISS PBL13 END 129.184
HIERARCH ESO ISS PBLA13 START 91.5
HIERARCH ESO ISS PBLA13 END 92.0
HIERARCH ESO ISS PBL14 START 127.084
HIERARCH ESO ISS PBL14 END 126.957
HIERARCH ESO ISS PBLA14 START 71.545
HIERARCH ESO ISS PBLA14 END 72.086
HIERARCH ESO ISS PBL23 START 56.776
HIERARCH ESO ISS PBL23 END 56.682
HIERARCH ESO ISS PBLA23 START 56.6
HIERARCH ESO ISS PBLA23 END 57.1
HIERARCH ESO ISS PBL24 START 84.327
HIERARCH ESO ISS PBL24 END 84.197
HIERARCH ESO ISS PBLA24 START 27.412
HIERARCH ESO ISS PBLA24 END 27.803
HIERARCH ESO ISS PBL34 START 44.402
HIERARCH ESO ISS PBL34 END 44.434
HIERARCH ESO ISS PBLA34 START 348.893
HIERARCH ESO ISS PBLA34 END 349.239
HIERARCH ESO ISS AMBI TAU0 START 0.004124
HIERARCH ESO ISS AMBI TAU0 END 0.004084
HIERARCH ESO ISS AMBI TEMP 12.59
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.64
HIERARCH ESO FT ROBJ NAME HD142B
HIERARCH ESO FT ROBJ ALPHA 000619.1267
HIERARCH ESO FT ROBJ DELTA -490434.3173