Exposure
ID
GRAVI.2025-07-19T08:41:42.673_2
Header ID
GRAVI.2025-07-19T08:41:42.673
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 08:41:42.673
UTC End
2025-07-19 08:44:22.673
MJD Start
60875.36229946
MJD End
60875.36415131186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004401
Ambient temperature (°C)
12.58
Seeing (arcsec)
0.685
Observation
ID
68867
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
51235
Name
HD142A
RA
1.5798970833333332
DEC
-49.075186333333335
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 88.1460 88.3060 110.8000 111.3000
A0-J2 128.9040 128.9780 89.2000 89.7000
A0-K0 127.5130 127.4220 69.3200 69.8630
G1-J2 57.1240 57.0440 54.5000 55.0000
G1-K0 84.8290 84.7110 25.7980 26.1920
J2-K0 44.2590 44.2960 347.4850 347.8260
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 60875.36229946
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 142
HIERARCH ESO INS SOBJ NAME HD142B
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 88.146
HIERARCH ESO ISS PBL12 END 88.306
HIERARCH ESO ISS PBLA12 START 110.8
HIERARCH ESO ISS PBLA12 END 111.3
HIERARCH ESO ISS PBL13 START 128.904
HIERARCH ESO ISS PBL13 END 128.978
HIERARCH ESO ISS PBLA13 START 89.2
HIERARCH ESO ISS PBLA13 END 89.7
HIERARCH ESO ISS PBL14 START 127.513
HIERARCH ESO ISS PBL14 END 127.422
HIERARCH ESO ISS PBLA14 START 69.32
HIERARCH ESO ISS PBLA14 END 69.863
HIERARCH ESO ISS PBL23 START 57.124
HIERARCH ESO ISS PBL23 END 57.044
HIERARCH ESO ISS PBLA23 START 54.5
HIERARCH ESO ISS PBLA23 END 55.0
HIERARCH ESO ISS PBL24 START 84.829
HIERARCH ESO ISS PBL24 END 84.711
HIERARCH ESO ISS PBLA24 START 25.798
HIERARCH ESO ISS PBLA24 END 26.192
HIERARCH ESO ISS PBL34 START 44.259
HIERARCH ESO ISS PBL34 END 44.296
HIERARCH ESO ISS PBLA34 START 347.485
HIERARCH ESO ISS PBLA34 END 347.826
HIERARCH ESO ISS AMBI TAU0 START 0.005043
HIERARCH ESO ISS AMBI TAU0 END 0.003759
HIERARCH ESO ISS AMBI TEMP 12.58
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.79
HIERARCH ESO FT ROBJ NAME HD142A
HIERARCH ESO FT ROBJ ALPHA 000619.1753
HIERARCH ESO FT ROBJ DELTA -490430.6708