Exposure
ID
GRAVI.2025-07-19T08:16:12.609_1
Header ID
GRAVI.2025-07-19T08:16:12.609
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 08:16:12.609
UTC End
2025-07-19 08:18:52.609
MJD Start
60875.34459038
MJD End
60875.34644223186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003521
Ambient temperature (°C)
12.61
Seeing (arcsec)
1.055
Observation
ID
68863
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
51232
Name
HD142B
RA
1.581387
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 86.5080 86.7220 106.4000 106.9000
A0-J2 127.8830 128.0360 84.3000 84.9000
A0-K0 127.9600 127.9390 64.5860 65.1390
G1-J2 57.6820 57.6290 50.1000 50.6000
G1-K0 85.7320 85.6380 22.3360 22.7420
J2-K0 43.8950 43.9420 344.5690 344.9030
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 60875.34459038
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 86.508
HIERARCH ESO ISS PBL12 END 86.722
HIERARCH ESO ISS PBLA12 START 106.4
HIERARCH ESO ISS PBLA12 END 106.9
HIERARCH ESO ISS PBL13 START 127.883
HIERARCH ESO ISS PBL13 END 128.036
HIERARCH ESO ISS PBLA13 START 84.3
HIERARCH ESO ISS PBLA13 END 84.9
HIERARCH ESO ISS PBL14 START 127.96
HIERARCH ESO ISS PBL14 END 127.939
HIERARCH ESO ISS PBLA14 START 64.586
HIERARCH ESO ISS PBLA14 END 65.139
HIERARCH ESO ISS PBL23 START 57.682
HIERARCH ESO ISS PBL23 END 57.629
HIERARCH ESO ISS PBLA23 START 50.1
HIERARCH ESO ISS PBLA23 END 50.6
HIERARCH ESO ISS PBL24 START 85.732
HIERARCH ESO ISS PBL24 END 85.638
HIERARCH ESO ISS PBLA24 START 22.336
HIERARCH ESO ISS PBLA24 END 22.742
HIERARCH ESO ISS PBL34 START 43.895
HIERARCH ESO ISS PBL34 END 43.942
HIERARCH ESO ISS PBLA34 START 344.569
HIERARCH ESO ISS PBLA34 END 344.903
HIERARCH ESO ISS AMBI TAU0 START 0.002924
HIERARCH ESO ISS AMBI TAU0 END 0.004118
HIERARCH ESO ISS AMBI TEMP 12.61
HIERARCH ESO ISS AMBI FWHM START 1.21
HIERARCH ESO ISS AMBI FWHM END 0.9
HIERARCH ESO FT ROBJ NAME HD142A
HIERARCH ESO FT ROBJ ALPHA 000619.175
HIERARCH ESO FT ROBJ DELTA -490430.671