Exposure
ID
GRAVI.2025-06-18T04:58:33.032_1
Header ID
GRAVI.2025-06-18T04:58:33.032
Date updated
2025-06-18 05:05:46 UTC+0000
Release date
2026-06-18 05:05:46 UTC+0000
UTC Start
2025-06-18 04:58:33.032
UTC End
2025-06-18 05:01:13.032
MJD Start
60844.20732676
MJD End
60844.209178611854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0025405
Ambient temperature (°C)
6.45
Seeing (arcsec)
0.855
Observation
ID
67611
Category
science
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
50282
Name
FR_Sct
RA
275.842687
DEC
-12.68106
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 90.5040 90.4880 114.3000 114.4000
A0-J2 128.8270 128.9460 91.6000 91.8000
A0-K0 126.5010 126.7220 70.0680 70.2670
G1-J2 57.1540 57.2650 54.0000 54.3000
G1-K0 88.1840 88.2890 24.3880 24.6990
J2-K0 47.7840 47.7610 348.1000 348.3990
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60844.20732676
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V FR Sct
HIERARCH ESO INS SOBJ NAME FR_Sct
RA 275.842687
DEC -12.68106
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 90.504
HIERARCH ESO ISS PBL12 END 90.488
HIERARCH ESO ISS PBLA12 START 114.3
HIERARCH ESO ISS PBLA12 END 114.4
HIERARCH ESO ISS PBL13 START 128.827
HIERARCH ESO ISS PBL13 END 128.946
HIERARCH ESO ISS PBLA13 START 91.6
HIERARCH ESO ISS PBLA13 END 91.8
HIERARCH ESO ISS PBL14 START 126.501
HIERARCH ESO ISS PBL14 END 126.722
HIERARCH ESO ISS PBLA14 START 70.068
HIERARCH ESO ISS PBLA14 END 70.267
HIERARCH ESO ISS PBL23 START 57.154
HIERARCH ESO ISS PBL23 END 57.265
HIERARCH ESO ISS PBLA23 START 54.0
HIERARCH ESO ISS PBLA23 END 54.3
HIERARCH ESO ISS PBL24 START 88.184
HIERARCH ESO ISS PBL24 END 88.289
HIERARCH ESO ISS PBLA24 START 24.388
HIERARCH ESO ISS PBLA24 END 24.699
HIERARCH ESO ISS PBL34 START 47.784
HIERARCH ESO ISS PBL34 END 47.761
HIERARCH ESO ISS PBLA34 START 348.1
HIERARCH ESO ISS PBLA34 END 348.399
HIERARCH ESO ISS AMBI TAU0 START 0.002547
HIERARCH ESO ISS AMBI TAU0 END 0.002534
HIERARCH ESO ISS AMBI TEMP 6.45
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.85