Exposure
ID
GRAVI.2025-05-28T03:59:34.510_1
Header ID
GRAVI.2025-05-28T03:59:34.510
Date updated
2025-05-28 04:11:03 UTC+0000
Release date
2025-05-28 03:59:34 UTC+0000
UTC Start
2025-05-28 03:59:34.510
UTC End
2025-05-28 04:03:34.510
MJD Start
60823.16637164
MJD End
60823.16914941778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0032495
Ambient temperature (°C)
13.29
Seeing (arcsec)
0.785
Observation
ID
67614
Category
calibrator
Program ID
113.26EQ.007
Program Title
USING GRAVITY TO STUDY STAR-DISK INTERACTION
Program Type
Monitoring
PI / COI
GINSKI / BOURDAROT / PINILLA / BENISTY / MANARA / RIBAS / LACOUR / NOWAK / VIGAN / WANG / BALMER / MURPHY
Target
ID
50285
Name
HD_176271
RA
285.281404
DEC
-38.61474
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 64.8630 65.7680 86.3000 87.0000
A0-J2 101.6000 102.5610 56.3000 57.3000
A0-K0 114.1730 114.6440 34.1130 35.1170
G1-J2 55.7690 55.8560 20.8000 21.7000
G1-K0 90.3290 90.3290 359.5640 0.1760
J2-K0 43.3680 43.5180 331.7570 332.0500
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26EQ.007
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60823.16637164
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 176271
HIERARCH ESO INS SOBJ NAME HD_176271
RA 285.281404
DEC -38.61474
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 64.863
HIERARCH ESO ISS PBL12 END 65.768
HIERARCH ESO ISS PBLA12 START 86.3
HIERARCH ESO ISS PBLA12 END 87.0
HIERARCH ESO ISS PBL13 START 101.6
HIERARCH ESO ISS PBL13 END 102.561
HIERARCH ESO ISS PBLA13 START 56.3
HIERARCH ESO ISS PBLA13 END 57.3
HIERARCH ESO ISS PBL14 START 114.173
HIERARCH ESO ISS PBL14 END 114.644
HIERARCH ESO ISS PBLA14 START 34.113
HIERARCH ESO ISS PBLA14 END 35.117
HIERARCH ESO ISS PBL23 START 55.769
HIERARCH ESO ISS PBL23 END 55.856
HIERARCH ESO ISS PBLA23 START 20.8
HIERARCH ESO ISS PBLA23 END 21.7
HIERARCH ESO ISS PBL24 START 90.329
HIERARCH ESO ISS PBL24 END 90.329
HIERARCH ESO ISS PBLA24 START 359.564
HIERARCH ESO ISS PBLA24 END 0.176
HIERARCH ESO ISS PBL34 START 43.368
HIERARCH ESO ISS PBL34 END 43.518
HIERARCH ESO ISS PBLA34 START 331.757
HIERARCH ESO ISS PBLA34 END 332.05
HIERARCH ESO ISS AMBI TAU0 START 0.003377
HIERARCH ESO ISS AMBI TAU0 END 0.003122
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.79