Exposure
- ID
- GRAVI.2025-05-13T05:02:19.509_2
- Header ID
- GRAVI.2025-05-13T05:02:19.509
- Date updated
- 2025-05-13 06:56:31 UTC+0000
- Release date
- 2026-05-13 06:56:30 UTC+0000
- UTC Start
- 2025-05-13 05:02:19.509
- UTC End
- 2025-05-13 05:08:19.509
- MJD Start
- 60808.20994802
- MJD End
- 60808.21411468666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006217
- Ambient temperature (°C)
- 16.98
- Seeing (arcsec)
- 0.515
Observation
- ID
- 67241
- Category
- science
- Program ID
- 115.27WT.001
- 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 | 56.3760 | 56.3980 | 10.9000 | 11.8000 |
| U1-U3 | 101.5640 | 101.6580 | 16.6000 | 17.6000 |
| U1-U4 | 123.2500 | 123.9480 | 42.9940 | 44.1200 |
| U2-U3 | 45.8090 | 45.8950 | 23.6000 | 24.6000 |
| U2-U4 | 81.2120 | 82.0320 | 64.6350 | 65.6870 |
| U3-U4 | 55.5020 | 56.1880 | 97.4400 | 98.1300 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60808.20994802 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416229 |
| 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 | 56.376 |
| HIERARCH ESO ISS PBL12 END | 56.398 |
| HIERARCH ESO ISS PBLA12 START | 10.9 |
| HIERARCH ESO ISS PBLA12 END | 11.8 |
| HIERARCH ESO ISS PBL13 START | 101.564 |
| HIERARCH ESO ISS PBL13 END | 101.658 |
| HIERARCH ESO ISS PBLA13 START | 16.6 |
| HIERARCH ESO ISS PBLA13 END | 17.6 |
| HIERARCH ESO ISS PBL14 START | 123.25 |
| HIERARCH ESO ISS PBL14 END | 123.948 |
| HIERARCH ESO ISS PBLA14 START | 42.994 |
| HIERARCH ESO ISS PBLA14 END | 44.12 |
| HIERARCH ESO ISS PBL23 START | 45.809 |
| HIERARCH ESO ISS PBL23 END | 45.895 |
| HIERARCH ESO ISS PBLA23 START | 23.6 |
| HIERARCH ESO ISS PBLA23 END | 24.6 |
| HIERARCH ESO ISS PBL24 START | 81.212 |
| HIERARCH ESO ISS PBL24 END | 82.032 |
| HIERARCH ESO ISS PBLA24 START | 64.635 |
| HIERARCH ESO ISS PBLA24 END | 65.687 |
| HIERARCH ESO ISS PBL34 START | 55.502 |
| HIERARCH ESO ISS PBL34 END | 56.188 |
| HIERARCH ESO ISS PBLA34 START | 97.44 |
| HIERARCH ESO ISS PBLA34 END | 98.13 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006181 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006253 |
| HIERARCH ESO ISS AMBI TEMP | 16.98 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |