Exposure
- ID
- GRAVI.2025-03-16T09:47:52.642_2
- Header ID
- GRAVI.2025-03-16T09:47:52.642
- Date updated
- 2025-03-16 10:00:36 UTC+0000
- Release date
- 2026-03-16 10:00:36 UTC+0000
- UTC Start
- 2025-03-16 09:47:52.642
- UTC End
- 2025-03-16 09:53:52.642
- MJD Start
- 60750.40824817
- MJD End
- 60750.41241483667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0065525
- Ambient temperature (°C)
- 13.57
- Seeing (arcsec)
- 0.7350000000000001
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 | 56.5430 | 56.5520 | 18.6000 | 19.4000 |
| U1-U3 | 102.2930 | 102.3440 | 24.7000 | 25.6000 |
| U1-U4 | 128.4290 | 128.8260 | 52.1770 | 53.0980 |
| U2-U3 | 46.4690 | 46.5180 | 32.2000 | 33.1000 |
| U2-U4 | 87.1450 | 87.5970 | 73.2200 | 74.0920 |
| U3-U4 | 60.3660 | 60.7340 | 103.5750 | 104.2750 |
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 | 60750.40824817 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41755 |
| DEC | -29.00722 |
| 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 | 56.543 |
| HIERARCH ESO ISS PBL12 END | 56.552 |
| HIERARCH ESO ISS PBLA12 START | 18.6 |
| HIERARCH ESO ISS PBLA12 END | 19.4 |
| HIERARCH ESO ISS PBL13 START | 102.293 |
| HIERARCH ESO ISS PBL13 END | 102.344 |
| HIERARCH ESO ISS PBLA13 START | 24.7 |
| HIERARCH ESO ISS PBLA13 END | 25.6 |
| HIERARCH ESO ISS PBL14 START | 128.429 |
| HIERARCH ESO ISS PBL14 END | 128.826 |
| HIERARCH ESO ISS PBLA14 START | 52.177 |
| HIERARCH ESO ISS PBLA14 END | 53.098 |
| HIERARCH ESO ISS PBL23 START | 46.469 |
| HIERARCH ESO ISS PBL23 END | 46.518 |
| HIERARCH ESO ISS PBLA23 START | 32.2 |
| HIERARCH ESO ISS PBLA23 END | 33.1 |
| HIERARCH ESO ISS PBL24 START | 87.145 |
| HIERARCH ESO ISS PBL24 END | 87.597 |
| HIERARCH ESO ISS PBLA24 START | 73.22 |
| HIERARCH ESO ISS PBLA24 END | 74.092 |
| HIERARCH ESO ISS PBL34 START | 60.366 |
| HIERARCH ESO ISS PBL34 END | 60.734 |
| HIERARCH ESO ISS PBLA34 START | 103.575 |
| HIERARCH ESO ISS PBLA34 END | 104.275 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008338 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004767 |
| HIERARCH ESO ISS AMBI TEMP | 13.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.92 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |