Exposure
- ID
- GRAVI.2025-06-10T07:43:05.848_2
- Header ID
- GRAVI.2025-06-10T07:43:05.848
- Date updated
- 2025-06-10 08:00:50 UTC+0000
- Release date
- 2026-06-10 08:00:50 UTC+0000
- UTC Start
- 2025-06-10 07:43:05.848
- UTC End
- 2025-06-10 07:49:05.848
- MJD Start
- 60836.32159546
- MJD End
- 60836.32576212667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0054210000000000005
- Ambient temperature (°C)
- 14.09
- Seeing (arcsec)
- 0.5800000000000001
Observation
- ID
- 67873
- Category
- science
- Program ID
- 115.27WT.002
- 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
- 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 | 52.5520 | 52.2240 | 38.3000 | 38.7000 |
| U1-U3 | 93.2940 | 92.5440 | 44.6000 | 44.9000 |
| U1-U4 | 109.8010 | 108.0940 | 75.2150 | 75.7690 |
| U2-U3 | 41.4490 | 41.0210 | 52.5000 | 52.8000 |
| U2-U4 | 74.7600 | 73.5450 | 100.1760 | 101.1390 |
| U3-U4 | 55.9990 | 55.4970 | 133.3640 | 134.6470 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60836.32159546 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416855 |
| DEC | -29.0075 |
| 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 | 52.552 |
| HIERARCH ESO ISS PBL12 END | 52.224 |
| HIERARCH ESO ISS PBLA12 START | 38.3 |
| HIERARCH ESO ISS PBLA12 END | 38.7 |
| HIERARCH ESO ISS PBL13 START | 93.294 |
| HIERARCH ESO ISS PBL13 END | 92.544 |
| HIERARCH ESO ISS PBLA13 START | 44.6 |
| HIERARCH ESO ISS PBLA13 END | 44.9 |
| HIERARCH ESO ISS PBL14 START | 109.801 |
| HIERARCH ESO ISS PBL14 END | 108.094 |
| HIERARCH ESO ISS PBLA14 START | 75.215 |
| HIERARCH ESO ISS PBLA14 END | 75.769 |
| HIERARCH ESO ISS PBL23 START | 41.449 |
| HIERARCH ESO ISS PBL23 END | 41.021 |
| HIERARCH ESO ISS PBLA23 START | 52.5 |
| HIERARCH ESO ISS PBLA23 END | 52.8 |
| HIERARCH ESO ISS PBL24 START | 74.76 |
| HIERARCH ESO ISS PBL24 END | 73.545 |
| HIERARCH ESO ISS PBLA24 START | 100.176 |
| HIERARCH ESO ISS PBLA24 END | 101.139 |
| HIERARCH ESO ISS PBL34 START | 55.999 |
| HIERARCH ESO ISS PBL34 END | 55.497 |
| HIERARCH ESO ISS PBLA34 START | 133.364 |
| HIERARCH ESO ISS PBLA34 END | 134.647 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006047 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004795 |
| HIERARCH ESO ISS AMBI TEMP | 14.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |