Exposure
ID
GRAVI.2025-07-15T08:44:14.540_1
Header ID
GRAVI.2025-07-15T08:44:14.540
Date updated
2025-07-15 08:55:38 UTC+0000
Release date
2026-01-11 08:55:38 UTC+0000
UTC Start
2025-07-15 08:44:14.540
UTC End
2025-07-15 08:46:54.540
MJD Start
60871.36405718
MJD End
60871.365909031854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0054345
Ambient temperature (°C)
11.16
Seeing (arcsec)
0.445
Observation
ID
68793
Category
science
Program ID
115.27YJ.001
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
51184
Name
HD142B
RA
1.581384
DEC
-49.07592
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 87.3560 87.5450 108.5000 109.0000
A0-J2 128.4610 128.5770 86.7000 87.2000
A0-K0 127.8190 127.7640 66.8780 67.4280
G1-J2 57.4410 57.3750 52.2000 52.8000
G1-K0 85.3210 85.2160 24.0140 24.4170
J2-K0 44.0820 44.1240 345.9640 346.3040
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27YJ.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60871.36405718
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 142
HIERARCH ESO INS SOBJ NAME HD142B
RA 1.581384
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 87.356
HIERARCH ESO ISS PBL12 END 87.545
HIERARCH ESO ISS PBLA12 START 108.5
HIERARCH ESO ISS PBLA12 END 109.0
HIERARCH ESO ISS PBL13 START 128.461
HIERARCH ESO ISS PBL13 END 128.577
HIERARCH ESO ISS PBLA13 START 86.7
HIERARCH ESO ISS PBLA13 END 87.2
HIERARCH ESO ISS PBL14 START 127.819
HIERARCH ESO ISS PBL14 END 127.764
HIERARCH ESO ISS PBLA14 START 66.878
HIERARCH ESO ISS PBLA14 END 67.428
HIERARCH ESO ISS PBL23 START 57.441
HIERARCH ESO ISS PBL23 END 57.375
HIERARCH ESO ISS PBLA23 START 52.2
HIERARCH ESO ISS PBLA23 END 52.8
HIERARCH ESO ISS PBL24 START 85.321
HIERARCH ESO ISS PBL24 END 85.216
HIERARCH ESO ISS PBLA24 START 24.014
HIERARCH ESO ISS PBLA24 END 24.417
HIERARCH ESO ISS PBL34 START 44.082
HIERARCH ESO ISS PBL34 END 44.124
HIERARCH ESO ISS PBLA34 START 345.964
HIERARCH ESO ISS PBLA34 END 346.304
HIERARCH ESO ISS AMBI TAU0 START 0.005918
HIERARCH ESO ISS AMBI TAU0 END 0.004951
HIERARCH ESO ISS AMBI TEMP 11.16
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.45
HIERARCH ESO FT ROBJ NAME HD142A
HIERARCH ESO FT ROBJ ALPHA 000619.1752
HIERARCH ESO FT ROBJ DELTA -490430.6712