Exposure
- ID
- GRAVI.2025-03-17T07:02:39.137_2
- Header ID
- GRAVI.2025-03-17T07:02:39.137
- Date updated
- 2025-03-17 07:15:43 UTC+0000
- Release date
- 2026-03-17 07:15:42 UTC+0000
- UTC Start
- 2025-03-17 07:02:39.137
- UTC End
- 2025-03-17 07:08:39.137
- MJD Start
- 60751.29350853
- MJD End
- 60751.29767519666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008764999999999998
- Ambient temperature (°C)
- 15.02
- Seeing (arcsec)
- 0.44499999999999995
Observation
- ID
- 65080
- Category
- science
- Program ID
- 114.270V.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY(+) - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROU
Target
- ID
- 45257
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.007681388888887
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2500 | 56.2410 | 356.0000 | 356.9000 |
| U1-U3 | 100.6120 | 100.6180 | 0.2000 | 1.2000 |
| U1-U4 | 111.5980 | 112.2130 | 21.1670 | 22.7350 |
| U2-U3 | 44.6980 | 44.7320 | 5.4000 | 6.6000 |
| U2-U4 | 65.2320 | 66.2650 | 42.6790 | 44.4120 |
| U3-U4 | 40.1610 | 41.3290 | 85.0700 | 85.9850 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.270V.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60751.29350853 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417243 |
| DEC | -29.00787 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.25 |
| HIERARCH ESO ISS PBL12 END | 56.241 |
| HIERARCH ESO ISS PBLA12 START | 356.0 |
| HIERARCH ESO ISS PBLA12 END | 356.9 |
| HIERARCH ESO ISS PBL13 START | 100.612 |
| HIERARCH ESO ISS PBL13 END | 100.618 |
| HIERARCH ESO ISS PBLA13 START | 0.2 |
| HIERARCH ESO ISS PBLA13 END | 1.2 |
| HIERARCH ESO ISS PBL14 START | 111.598 |
| HIERARCH ESO ISS PBL14 END | 112.213 |
| HIERARCH ESO ISS PBLA14 START | 21.167 |
| HIERARCH ESO ISS PBLA14 END | 22.735 |
| HIERARCH ESO ISS PBL23 START | 44.698 |
| HIERARCH ESO ISS PBL23 END | 44.732 |
| HIERARCH ESO ISS PBLA23 START | 5.4 |
| HIERARCH ESO ISS PBLA23 END | 6.6 |
| HIERARCH ESO ISS PBL24 START | 65.232 |
| HIERARCH ESO ISS PBL24 END | 66.265 |
| HIERARCH ESO ISS PBLA24 START | 42.679 |
| HIERARCH ESO ISS PBLA24 END | 44.412 |
| HIERARCH ESO ISS PBL34 START | 40.161 |
| HIERARCH ESO ISS PBL34 END | 41.329 |
| HIERARCH ESO ISS PBLA34 START | 85.07 |
| HIERARCH ESO ISS PBLA34 END | 85.985 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009236 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008294 |
| HIERARCH ESO ISS AMBI TEMP | 15.02 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |