Exposure
ID
GRAVI.2025-07-15T08:35:35.518_2
Header ID
GRAVI.2025-07-15T08:35:35.518
Date updated
2025-07-15 08:45:51 UTC+0000
Release date
2026-01-11 08:45:51 UTC+0000
UTC Start
2025-07-15 08:35:35.518
UTC End
2025-07-15 08:38:15.518
MJD Start
60871.35804998
MJD End
60871.35990183186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0052445
Ambient temperature (°C)
11.17
Seeing (arcsec)
0.49
Observation
ID
68796
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
51186
Name
HD142B
RA
1.5796949999999998
DEC
-49.07619855555556
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 86.7740 86.9790 107.0000 107.5000
A0-J2 128.0730 128.2140 85.0000 85.6000
A0-K0 127.9320 127.9010 65.2770 65.8240
G1-J2 57.6160 57.5590 50.8000 51.3000
G1-K0 85.6140 85.5160 22.8430 23.2430
J2-K0 43.9530 43.9980 344.9870 345.3180
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 60871.35804998
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 142
HIERARCH ESO INS SOBJ NAME HD142A
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 86.774
HIERARCH ESO ISS PBL12 END 86.979
HIERARCH ESO ISS PBLA12 START 107.0
HIERARCH ESO ISS PBLA12 END 107.5
HIERARCH ESO ISS PBL13 START 128.073
HIERARCH ESO ISS PBL13 END 128.214
HIERARCH ESO ISS PBLA13 START 85.0
HIERARCH ESO ISS PBLA13 END 85.6
HIERARCH ESO ISS PBL14 START 127.932
HIERARCH ESO ISS PBL14 END 127.901
HIERARCH ESO ISS PBLA14 START 65.277
HIERARCH ESO ISS PBLA14 END 65.824
HIERARCH ESO ISS PBL23 START 57.616
HIERARCH ESO ISS PBL23 END 57.559
HIERARCH ESO ISS PBLA23 START 50.8
HIERARCH ESO ISS PBLA23 END 51.3
HIERARCH ESO ISS PBL24 START 85.614
HIERARCH ESO ISS PBL24 END 85.516
HIERARCH ESO ISS PBLA24 START 22.843
HIERARCH ESO ISS PBLA24 END 23.243
HIERARCH ESO ISS PBL34 START 43.953
HIERARCH ESO ISS PBL34 END 43.998
HIERARCH ESO ISS PBLA34 START 344.987
HIERARCH ESO ISS PBLA34 END 345.318
HIERARCH ESO ISS AMBI TAU0 START 0.005561
HIERARCH ESO ISS AMBI TAU0 END 0.004928
HIERARCH ESO ISS AMBI TEMP 11.17
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.47
HIERARCH ESO FT ROBJ NAME HD142B
HIERARCH ESO FT ROBJ ALPHA 000619.1268
HIERARCH ESO FT ROBJ DELTA -490434.3148