Exposure
ID
GRAVI.2025-06-18T06:35:54.279_1
Header ID
GRAVI.2025-06-18T06:35:54.279
Date updated
2025-06-18 06:45:40 UTC+0000
Release date
2025-06-18 06:35:54 UTC+0000
UTC Start
2025-06-18 06:35:54.279
UTC End
2025-06-18 06:38:34.279
MJD Start
60844.27493379
MJD End
60844.27678564186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002401
Ambient temperature (°C)
5.86
Seeing (arcsec)
0.9450000000000001
Observation
ID
67612
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
50283
Name
HD_179130
RA
287.977144
DEC
-14.58451
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 89.0080 88.8210 117.8000 118.1000
A0-J2 128.2040 127.9920 94.6000 94.8000
A0-K0 127.7850 127.6910 73.0620 73.2340
G1-J2 58.2290 58.2270 57.4000 57.6000
G1-K0 90.0020 90.0570 28.9200 29.1680
J2-K0 47.7710 47.7580 353.3200 353.6430
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60844.27493379
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 179130
HIERARCH ESO INS SOBJ NAME HD_179130
RA 287.977144
DEC -14.58451
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 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 89.008
HIERARCH ESO ISS PBL12 END 88.821
HIERARCH ESO ISS PBLA12 START 117.8
HIERARCH ESO ISS PBLA12 END 118.1
HIERARCH ESO ISS PBL13 START 128.204
HIERARCH ESO ISS PBL13 END 127.992
HIERARCH ESO ISS PBLA13 START 94.6
HIERARCH ESO ISS PBLA13 END 94.8
HIERARCH ESO ISS PBL14 START 127.785
HIERARCH ESO ISS PBL14 END 127.691
HIERARCH ESO ISS PBLA14 START 73.062
HIERARCH ESO ISS PBLA14 END 73.234
HIERARCH ESO ISS PBL23 START 58.229
HIERARCH ESO ISS PBL23 END 58.227
HIERARCH ESO ISS PBLA23 START 57.4
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 90.002
HIERARCH ESO ISS PBL24 END 90.057
HIERARCH ESO ISS PBLA24 START 28.92
HIERARCH ESO ISS PBLA24 END 29.168
HIERARCH ESO ISS PBL34 START 47.771
HIERARCH ESO ISS PBL34 END 47.758
HIERARCH ESO ISS PBLA34 START 353.32
HIERARCH ESO ISS PBLA34 END 353.643
HIERARCH ESO ISS AMBI TAU0 START 0.002503
HIERARCH ESO ISS AMBI TAU0 END 0.002299
HIERARCH ESO ISS AMBI TEMP 5.86
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 1.0