Exposure
- ID
- GRAVI.2025-07-12T04:51:02.705_2
- Header ID
- GRAVI.2025-07-12T04:51:02.705
- Date updated
- 2025-07-12 05:10:43 UTC+0000
- Release date
- 2025-07-12 04:51:02 UTC+0000
- UTC Start
- 2025-07-12 04:51:02.705
- UTC End
- 2025-07-12 04:57:02.705
- MJD Start
- 60868.20211464
- MJD End
- 60868.206281306666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002004
- Ambient temperature (°C)
- 10.01
- Seeing (arcsec)
- 1.14
Observation
- ID
- 68251
- Category
- calibrator
- Program ID
- 115.27WT.003
- 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 / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
Target
- ID
- 50720
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.00768111111111
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 | 54.4760 | 54.2510 | 35.4000 | 35.9000 |
| U1-U3 | 97.7260 | 97.2040 | 41.7000 | 42.2000 |
| U1-U4 | 120.0320 | 118.8160 | 71.1150 | 71.7050 |
| U2-U3 | 43.9940 | 43.6940 | 49.6000 | 50.1000 |
| U2-U4 | 82.1860 | 81.2920 | 93.8650 | 94.6990 |
| U3-U4 | 59.2610 | 58.8520 | 125.0750 | 126.1460 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60868.20211464 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.417664 |
| DEC | -29.00778 |
| 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 | 54.476 |
| HIERARCH ESO ISS PBL12 END | 54.251 |
| HIERARCH ESO ISS PBLA12 START | 35.4 |
| HIERARCH ESO ISS PBLA12 END | 35.9 |
| HIERARCH ESO ISS PBL13 START | 97.726 |
| HIERARCH ESO ISS PBL13 END | 97.204 |
| HIERARCH ESO ISS PBLA13 START | 41.7 |
| HIERARCH ESO ISS PBLA13 END | 42.2 |
| HIERARCH ESO ISS PBL14 START | 120.032 |
| HIERARCH ESO ISS PBL14 END | 118.816 |
| HIERARCH ESO ISS PBLA14 START | 71.115 |
| HIERARCH ESO ISS PBLA14 END | 71.705 |
| HIERARCH ESO ISS PBL23 START | 43.994 |
| HIERARCH ESO ISS PBL23 END | 43.694 |
| HIERARCH ESO ISS PBLA23 START | 49.6 |
| HIERARCH ESO ISS PBLA23 END | 50.1 |
| HIERARCH ESO ISS PBL24 START | 82.186 |
| HIERARCH ESO ISS PBL24 END | 81.292 |
| HIERARCH ESO ISS PBLA24 START | 93.865 |
| HIERARCH ESO ISS PBLA24 END | 94.699 |
| HIERARCH ESO ISS PBL34 START | 59.261 |
| HIERARCH ESO ISS PBL34 END | 58.852 |
| HIERARCH ESO ISS PBLA34 START | 125.075 |
| HIERARCH ESO ISS PBLA34 END | 126.146 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002004 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002004 |
| HIERARCH ESO ISS AMBI TEMP | 10.01 |
| HIERARCH ESO ISS AMBI FWHM START | 1.14 |
| HIERARCH ESO ISS AMBI FWHM END | 1.14 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.099 |
| HIERARCH ESO FT ROBJ DELTA | -290027.652 |