Exposure
- ID
- GRAVI.2025-06-10T06:45:02.700_2
- Header ID
- GRAVI.2025-06-10T06:45:02.700
- Date updated
- 2025-06-10 07:00:40 UTC+0000
- Release date
- 2026-06-10 07:00:40 UTC+0000
- UTC Start
- 2025-06-10 06:45:02.700
- UTC End
- 2025-06-10 06:51:02.700
- MJD Start
- 60836.28128125
- MJD End
- 60836.28544791666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005213
- Ambient temperature (°C)
- 12.99
- Seeing (arcsec)
- 0.65
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 | 54.8500 | 54.6500 | 34.5000 | 35.0000 |
| U1-U3 | 98.5950 | 98.1300 | 40.9000 | 41.4000 |
| U1-U4 | 122.0660 | 120.9770 | 70.0240 | 70.6270 |
| U2-U3 | 44.4960 | 44.2270 | 48.7000 | 49.2000 |
| U2-U4 | 83.6880 | 82.8830 | 92.3790 | 93.1920 |
| U3-U4 | 59.9570 | 59.5830 | 123.1920 | 124.2170 |
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 | 60836.28128125 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41687 |
| DEC | -29.00745 |
| 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 | 54.85 |
| HIERARCH ESO ISS PBL12 END | 54.65 |
| HIERARCH ESO ISS PBLA12 START | 34.5 |
| HIERARCH ESO ISS PBLA12 END | 35.0 |
| HIERARCH ESO ISS PBL13 START | 98.595 |
| HIERARCH ESO ISS PBL13 END | 98.13 |
| HIERARCH ESO ISS PBLA13 START | 40.9 |
| HIERARCH ESO ISS PBLA13 END | 41.4 |
| HIERARCH ESO ISS PBL14 START | 122.066 |
| HIERARCH ESO ISS PBL14 END | 120.977 |
| HIERARCH ESO ISS PBLA14 START | 70.024 |
| HIERARCH ESO ISS PBLA14 END | 70.627 |
| HIERARCH ESO ISS PBL23 START | 44.496 |
| HIERARCH ESO ISS PBL23 END | 44.227 |
| HIERARCH ESO ISS PBLA23 START | 48.7 |
| HIERARCH ESO ISS PBLA23 END | 49.2 |
| HIERARCH ESO ISS PBL24 START | 83.688 |
| HIERARCH ESO ISS PBL24 END | 82.883 |
| HIERARCH ESO ISS PBLA24 START | 92.379 |
| HIERARCH ESO ISS PBLA24 END | 93.192 |
| HIERARCH ESO ISS PBL34 START | 59.957 |
| HIERARCH ESO ISS PBL34 END | 59.583 |
| HIERARCH ESO ISS PBLA34 START | 123.192 |
| HIERARCH ESO ISS PBLA34 END | 124.217 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005826 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0046 |
| HIERARCH ESO ISS AMBI TEMP | 12.99 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |