Exposure
ID
GRAVI.2025-07-19T08:29:45.643_2
Header ID
GRAVI.2025-07-19T08:29:45.643
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 08:29:45.643
UTC End
2025-07-19 08:32:25.643
MJD Start
60875.3540005
MJD End
60875.35585235186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004544
Ambient temperature (°C)
12.8
Seeing (arcsec)
0.6950000000000001
Observation
ID
68866
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
51234
Name
HD142B
RA
1.5796945833333333
DEC
-49.07619925
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 87.4370 87.6220 108.7000 109.3000
A0-J2 128.5110 128.6230 86.9000 87.5000
A0-K0 127.7960 127.7390 67.1160 67.6630
G1-J2 57.4130 57.3470 52.5000 53.0000
G1-K0 85.2760 85.1700 24.1900 24.5890
J2-K0 44.1000 44.1410 346.1120 346.4500
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 60875.3540005
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 142
HIERARCH ESO INS SOBJ NAME HD142A
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 87.437
HIERARCH ESO ISS PBL12 END 87.622
HIERARCH ESO ISS PBLA12 START 108.7
HIERARCH ESO ISS PBLA12 END 109.3
HIERARCH ESO ISS PBL13 START 128.511
HIERARCH ESO ISS PBL13 END 128.623
HIERARCH ESO ISS PBLA13 START 86.9
HIERARCH ESO ISS PBLA13 END 87.5
HIERARCH ESO ISS PBL14 START 127.796
HIERARCH ESO ISS PBL14 END 127.739
HIERARCH ESO ISS PBLA14 START 67.116
HIERARCH ESO ISS PBLA14 END 67.663
HIERARCH ESO ISS PBL23 START 57.413
HIERARCH ESO ISS PBL23 END 57.347
HIERARCH ESO ISS PBLA23 START 52.5
HIERARCH ESO ISS PBLA23 END 53.0
HIERARCH ESO ISS PBL24 START 85.276
HIERARCH ESO ISS PBL24 END 85.17
HIERARCH ESO ISS PBLA24 START 24.19
HIERARCH ESO ISS PBLA24 END 24.589
HIERARCH ESO ISS PBL34 START 44.1
HIERARCH ESO ISS PBL34 END 44.141
HIERARCH ESO ISS PBLA34 START 346.112
HIERARCH ESO ISS PBLA34 END 346.45
HIERARCH ESO ISS AMBI TAU0 START 0.004406
HIERARCH ESO ISS AMBI TAU0 END 0.004682
HIERARCH ESO ISS AMBI TEMP 12.8
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.63
HIERARCH ESO FT ROBJ NAME HD142B
HIERARCH ESO FT ROBJ ALPHA 000619.1267
HIERARCH ESO FT ROBJ DELTA -490434.3173