Exposure
ID
GRAVI.2025-08-03T07:18:00.087_1
Header ID
GRAVI.2025-08-03T07:18:00.087
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 07:18:00.087
UTC End
2025-08-03 07:20:40.087
MJD Start
60890.30416767
MJD End
60890.30601952186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0041385
Ambient temperature (°C)
9.57
Seeing (arcsec)
0.72
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 86.5670 86.7770 106.5000 107.0000
A0-J2 127.9260 128.0750 84.5000 85.1000
A0-K0 127.9550 127.9310 64.7340 65.2830
G1-J2 57.6680 57.6150 50.3000 50.8000
G1-K0 85.7070 85.6130 22.4450 22.8470
J2-K0 43.9080 43.9540 344.6580 344.9900
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 60890.30416767
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 86.567
HIERARCH ESO ISS PBL12 END 86.777
HIERARCH ESO ISS PBLA12 START 106.5
HIERARCH ESO ISS PBLA12 END 107.0
HIERARCH ESO ISS PBL13 START 127.926
HIERARCH ESO ISS PBL13 END 128.075
HIERARCH ESO ISS PBLA13 START 84.5
HIERARCH ESO ISS PBLA13 END 85.1
HIERARCH ESO ISS PBL14 START 127.955
HIERARCH ESO ISS PBL14 END 127.931
HIERARCH ESO ISS PBLA14 START 64.734
HIERARCH ESO ISS PBLA14 END 65.283
HIERARCH ESO ISS PBL23 START 57.668
HIERARCH ESO ISS PBL23 END 57.615
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.8
HIERARCH ESO ISS PBL24 START 85.707
HIERARCH ESO ISS PBL24 END 85.613
HIERARCH ESO ISS PBLA24 START 22.445
HIERARCH ESO ISS PBLA24 END 22.847
HIERARCH ESO ISS PBL34 START 43.908
HIERARCH ESO ISS PBL34 END 43.954
HIERARCH ESO ISS PBLA34 START 344.658
HIERARCH ESO ISS PBLA34 END 344.99
HIERARCH ESO ISS AMBI TAU0 START 0.004355
HIERARCH ESO ISS AMBI TAU0 END 0.003922
HIERARCH ESO ISS AMBI TEMP 9.57
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.76
HIERARCH ESO FT ROBJ NAME HD142A
HIERARCH ESO FT ROBJ ALPHA 000619.175
HIERARCH ESO FT ROBJ DELTA -490430.671