Exposure
ID
GRAVI.2025-02-05T05:43:01.391_1
Header ID
GRAVI.2025-02-05T05:43:01.391
Date updated
2025-02-05 06:00:57 UTC+0000
Release date
2026-02-05 06:00:57 UTC+0000
UTC Start
2025-02-05 05:43:01.391
UTC End
2025-02-05 05:49:41.391
MJD Start
60711.23821054
MJD End
60711.24284016963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.010995999999999999
Ambient temperature (°C)
15.55
Seeing (arcsec)
0.71
Observation
ID
63661
Category
science
Program ID
114.27AL.001
Program Title
ESTABLISHING THE NATURE OF THE NEAR-INFRARED COMPANION TO THE AP STAR HD94660
Program Type
Normal
PI / COI
SCHOELLER / HUMMEL / HUBRIG / MATHYS / KURTZ / GONZALEZ / ROBRADE / JARVINEN / DRAKE / WOLFF
Target
ID
47420
Name
HD4660
RA
163.750897
DEC
-42.2511
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.7000 87.2370 106.9000 107.9000
A0-J2 127.0790 127.5730 83.8000 85.0000
A0-K0 127.7810 127.8990 63.1280 64.3280
G1-J2 58.1770 58.1270 48.2000 49.3000
G1-K0 88.5050 88.3510 20.5110 21.4250
J2-K0 45.8180 45.9140 344.3510 345.0860
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27AL.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60711.23821054
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V KQ Vel
HIERARCH ESO INS SOBJ NAME HD4660
RA 163.750897
DEC -42.2511
HIERARCH ESO INS SPEC RES HIGH
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 86.7
HIERARCH ESO ISS PBL12 END 87.237
HIERARCH ESO ISS PBLA12 START 106.9
HIERARCH ESO ISS PBLA12 END 107.9
HIERARCH ESO ISS PBL13 START 127.079
HIERARCH ESO ISS PBL13 END 127.573
HIERARCH ESO ISS PBLA13 START 83.8
HIERARCH ESO ISS PBLA13 END 85.0
HIERARCH ESO ISS PBL14 START 127.781
HIERARCH ESO ISS PBL14 END 127.899
HIERARCH ESO ISS PBLA14 START 63.128
HIERARCH ESO ISS PBLA14 END 64.328
HIERARCH ESO ISS PBL23 START 58.177
HIERARCH ESO ISS PBL23 END 58.127
HIERARCH ESO ISS PBLA23 START 48.2
HIERARCH ESO ISS PBLA23 END 49.3
HIERARCH ESO ISS PBL24 START 88.505
HIERARCH ESO ISS PBL24 END 88.351
HIERARCH ESO ISS PBLA24 START 20.511
HIERARCH ESO ISS PBLA24 END 21.425
HIERARCH ESO ISS PBL34 START 45.818
HIERARCH ESO ISS PBL34 END 45.914
HIERARCH ESO ISS PBLA34 START 344.351
HIERARCH ESO ISS PBLA34 END 345.086
HIERARCH ESO ISS AMBI TAU0 START 0.011278
HIERARCH ESO ISS AMBI TAU0 END 0.010714
HIERARCH ESO ISS AMBI TEMP 15.55
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.75