Exposure
- ID
- GRAVI.2025-07-08T05:45:32.879_2
- Header ID
- GRAVI.2025-07-08T05:45:32.879
- Date updated
- 2025-07-08 06:00:33 UTC+0000
- Release date
- 2026-07-08 06:00:32 UTC+0000
- UTC Start
- 2025-07-08 05:45:32.879
- UTC End
- 2025-07-08 05:51:32.879
- MJD Start
- 60864.23996388
- MJD End
- 60864.244130546664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007478
- Ambient temperature (°C)
- 15.57
- Seeing (arcsec)
- 0.39
Observation
- ID
- 68254
- Category
- science
- 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 | 52.9140 | 52.6030 | 37.9000 | 38.3000 |
| U1-U3 | 94.1250 | 93.4120 | 44.2000 | 44.5000 |
| U1-U4 | 111.7000 | 110.0710 | 74.5660 | 75.1240 |
| U2-U3 | 41.9240 | 41.5170 | 52.1000 | 52.4000 |
| U2-U4 | 76.1200 | 74.9520 | 99.0870 | 100.0220 |
| U3-U4 | 56.5720 | 56.0790 | 131.9130 | 133.1590 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60864.23996388 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416494 |
| DEC | -29.00742 |
| 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 | 52.914 |
| HIERARCH ESO ISS PBL12 END | 52.603 |
| HIERARCH ESO ISS PBLA12 START | 37.9 |
| HIERARCH ESO ISS PBLA12 END | 38.3 |
| HIERARCH ESO ISS PBL13 START | 94.125 |
| HIERARCH ESO ISS PBL13 END | 93.412 |
| HIERARCH ESO ISS PBLA13 START | 44.2 |
| HIERARCH ESO ISS PBLA13 END | 44.5 |
| HIERARCH ESO ISS PBL14 START | 111.7 |
| HIERARCH ESO ISS PBL14 END | 110.071 |
| HIERARCH ESO ISS PBLA14 START | 74.566 |
| HIERARCH ESO ISS PBLA14 END | 75.124 |
| HIERARCH ESO ISS PBL23 START | 41.924 |
| HIERARCH ESO ISS PBL23 END | 41.517 |
| HIERARCH ESO ISS PBLA23 START | 52.1 |
| HIERARCH ESO ISS PBLA23 END | 52.4 |
| HIERARCH ESO ISS PBL24 START | 76.12 |
| HIERARCH ESO ISS PBL24 END | 74.952 |
| HIERARCH ESO ISS PBLA24 START | 99.087 |
| HIERARCH ESO ISS PBLA24 END | 100.022 |
| HIERARCH ESO ISS PBL34 START | 56.572 |
| HIERARCH ESO ISS PBL34 END | 56.079 |
| HIERARCH ESO ISS PBLA34 START | 131.913 |
| HIERARCH ESO ISS PBLA34 END | 133.159 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006508 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008448 |
| HIERARCH ESO ISS AMBI TEMP | 15.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.35 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |