Exposure
- ID
- GRAVI.2025-07-08T04:37:29.706_2
- Header ID
- GRAVI.2025-07-08T04:37:29.706
- Date updated
- 2025-07-08 04:55:36 UTC+0000
- Release date
- 2026-07-08 04:55:36 UTC+0000
- UTC Start
- 2025-07-08 04:37:29.706
- UTC End
- 2025-07-08 04:43:29.706
- MJD Start
- 60864.19270493
- MJD End
- 60864.196871596665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.011446999999999999
- Ambient temperature (°C)
- 15.77
- Seeing (arcsec)
- 0.24
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 | 55.3250 | 55.1610 | 33.2000 | 33.7000 |
| U1-U3 | 99.7000 | 99.3170 | 39.5000 | 40.0000 |
| U1-U4 | 124.6530 | 123.7580 | 68.3570 | 68.9780 |
| U2-U3 | 45.1350 | 44.9140 | 47.3000 | 47.9000 |
| U2-U4 | 85.6030 | 84.9400 | 90.2260 | 91.0130 |
| U3-U4 | 60.8550 | 60.5430 | 120.5400 | 121.4990 |
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 | 60864.19270493 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416488 |
| DEC | -29.00738 |
| 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 | 55.325 |
| HIERARCH ESO ISS PBL12 END | 55.161 |
| HIERARCH ESO ISS PBLA12 START | 33.2 |
| HIERARCH ESO ISS PBLA12 END | 33.7 |
| HIERARCH ESO ISS PBL13 START | 99.7 |
| HIERARCH ESO ISS PBL13 END | 99.317 |
| HIERARCH ESO ISS PBLA13 START | 39.5 |
| HIERARCH ESO ISS PBLA13 END | 40.0 |
| HIERARCH ESO ISS PBL14 START | 124.653 |
| HIERARCH ESO ISS PBL14 END | 123.758 |
| HIERARCH ESO ISS PBLA14 START | 68.357 |
| HIERARCH ESO ISS PBLA14 END | 68.978 |
| HIERARCH ESO ISS PBL23 START | 45.135 |
| HIERARCH ESO ISS PBL23 END | 44.914 |
| HIERARCH ESO ISS PBLA23 START | 47.3 |
| HIERARCH ESO ISS PBLA23 END | 47.9 |
| HIERARCH ESO ISS PBL24 START | 85.603 |
| HIERARCH ESO ISS PBL24 END | 84.94 |
| HIERARCH ESO ISS PBLA24 START | 90.226 |
| HIERARCH ESO ISS PBLA24 END | 91.013 |
| HIERARCH ESO ISS PBL34 START | 60.855 |
| HIERARCH ESO ISS PBL34 END | 60.543 |
| HIERARCH ESO ISS PBLA34 START | 120.54 |
| HIERARCH ESO ISS PBLA34 END | 121.499 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010926 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011968 |
| HIERARCH ESO ISS AMBI TEMP | 15.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.26 |
| HIERARCH ESO ISS AMBI FWHM END | 0.22 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |