Exposure
ID
GRAVI.2025-05-27T09:40:35.288_1
Header ID
GRAVI.2025-05-27T09:40:35.288
Date updated
2025-05-27 09:50:55 UTC+0000
Release date
2025-05-27 09:40:35 UTC+0000
UTC Start
2025-05-27 09:40:35.288
UTC End
2025-05-27 09:43:15.288
MJD Start
60822.4031862
MJD End
60822.40503805185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004656
Ambient temperature (°C)
11.79
Seeing (arcsec)
0.455
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 78.0460 77.5990 129.1000 129.5000
A0-J2 110.9920 110.1760 102.0000 102.3000
A0-K0 114.7910 114.0920 77.7300 77.8400
G1-J2 54.5500 54.3230 61.5000 61.6000
G1-K0 89.8420 89.7630 35.0240 35.1380
J2-K0 47.6900 47.7000 4.3490 4.6780
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 60822.4031862
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 78.046
HIERARCH ESO ISS PBL12 END 77.599
HIERARCH ESO ISS PBLA12 START 129.1
HIERARCH ESO ISS PBLA12 END 129.5
HIERARCH ESO ISS PBL13 START 110.992
HIERARCH ESO ISS PBL13 END 110.176
HIERARCH ESO ISS PBLA13 START 102.0
HIERARCH ESO ISS PBLA13 END 102.3
HIERARCH ESO ISS PBL14 START 114.791
HIERARCH ESO ISS PBL14 END 114.092
HIERARCH ESO ISS PBLA14 START 77.73
HIERARCH ESO ISS PBLA14 END 77.84
HIERARCH ESO ISS PBL23 START 54.55
HIERARCH ESO ISS PBL23 END 54.323
HIERARCH ESO ISS PBLA23 START 61.5
HIERARCH ESO ISS PBLA23 END 61.6
HIERARCH ESO ISS PBL24 START 89.842
HIERARCH ESO ISS PBL24 END 89.763
HIERARCH ESO ISS PBLA24 START 35.024
HIERARCH ESO ISS PBLA24 END 35.138
HIERARCH ESO ISS PBL34 START 47.69
HIERARCH ESO ISS PBL34 END 47.7
HIERARCH ESO ISS PBLA34 START 4.349
HIERARCH ESO ISS PBLA34 END 4.678
HIERARCH ESO ISS AMBI TAU0 START 0.004593
HIERARCH ESO ISS AMBI TAU0 END 0.004719
HIERARCH ESO ISS AMBI TEMP 11.79
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.46