Exposure
ID
GRAVI.2025-08-03T07:21:36.096_1
Header ID
GRAVI.2025-08-03T07:21:36.096
Date updated
2025-08-03 07:30:36 UTC+0000
Release date
2026-01-30 07:30:36 UTC+0000
UTC Start
2025-08-03 07:21:36.096
UTC End
2025-08-03 07:24:16.096
MJD Start
60890.30666778
MJD End
60890.30851963186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004442
Ambient temperature (°C)
9.57
Seeing (arcsec)
0.73
Observation
ID
68995
Category
science
Program ID
115.27YJ.005
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
51327
Name
HD142B
RA
1.581395
DEC
-49.07593
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 86.8230 87.0260 107.1000 107.7000
A0-J2 128.1070 128.2460 85.2000 85.7000
A0-K0 127.9250 127.8920 65.4050 65.9530
G1-J2 57.6020 57.5450 50.9000 51.4000
G1-K0 85.5910 85.4940 22.9360 23.3370
J2-K0 43.9640 44.0090 345.0640 345.3970
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27YJ.005
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60890.30666778
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 142
HIERARCH ESO INS SOBJ NAME HD142B
RA 1.581395
DEC -49.07593
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 86.823
HIERARCH ESO ISS PBL12 END 87.026
HIERARCH ESO ISS PBLA12 START 107.1
HIERARCH ESO ISS PBLA12 END 107.7
HIERARCH ESO ISS PBL13 START 128.107
HIERARCH ESO ISS PBL13 END 128.246
HIERARCH ESO ISS PBLA13 START 85.2
HIERARCH ESO ISS PBLA13 END 85.7
HIERARCH ESO ISS PBL14 START 127.925
HIERARCH ESO ISS PBL14 END 127.892
HIERARCH ESO ISS PBLA14 START 65.405
HIERARCH ESO ISS PBLA14 END 65.953
HIERARCH ESO ISS PBL23 START 57.602
HIERARCH ESO ISS PBL23 END 57.545
HIERARCH ESO ISS PBLA23 START 50.9
HIERARCH ESO ISS PBLA23 END 51.4
HIERARCH ESO ISS PBL24 START 85.591
HIERARCH ESO ISS PBL24 END 85.494
HIERARCH ESO ISS PBLA24 START 22.936
HIERARCH ESO ISS PBLA24 END 23.337
HIERARCH ESO ISS PBL34 START 43.964
HIERARCH ESO ISS PBL34 END 44.009
HIERARCH ESO ISS PBLA34 START 345.064
HIERARCH ESO ISS PBLA34 END 345.397
HIERARCH ESO ISS AMBI TAU0 START 0.004458
HIERARCH ESO ISS AMBI TAU0 END 0.004426
HIERARCH ESO ISS AMBI TEMP 9.57
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.7
HIERARCH ESO FT ROBJ NAME HD142A
HIERARCH ESO FT ROBJ ALPHA 000619.175
HIERARCH ESO FT ROBJ DELTA -490430.671