Exposure
- ID
- GRAVI.2025-05-12T05:04:46.424_2
- Header ID
- GRAVI.2025-05-12T05:04:46.424
- Date updated
- 2025-05-12 19:45:47 UTC+0000
- Release date
- 2026-05-12 19:45:45 UTC+0000
- UTC Start
- 2025-05-12 05:04:46.424
- UTC End
- 2025-05-12 05:10:46.424
- MJD Start
- 60807.21164843
- MJD End
- 60807.215815096664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0070635
- Ambient temperature (°C)
- 17.45
- Seeing (arcsec)
- 0.495
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 | 56.3710 | 56.3930 | 10.7000 | 11.6000 |
| U1-U3 | 101.5430 | 101.6370 | 16.4000 | 17.3000 |
| U1-U4 | 123.0900 | 123.7930 | 42.7350 | 43.8680 |
| U2-U3 | 45.7890 | 45.8760 | 23.4000 | 24.4000 |
| U2-U4 | 81.0220 | 81.8490 | 64.3930 | 65.4510 |
| U3-U4 | 55.3420 | 56.0360 | 97.2830 | 97.9740 |
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 | 60807.21164843 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41627 |
| DEC | -29.00739 |
| 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 | 56.371 |
| HIERARCH ESO ISS PBL12 END | 56.393 |
| HIERARCH ESO ISS PBLA12 START | 10.7 |
| HIERARCH ESO ISS PBLA12 END | 11.6 |
| HIERARCH ESO ISS PBL13 START | 101.543 |
| HIERARCH ESO ISS PBL13 END | 101.637 |
| HIERARCH ESO ISS PBLA13 START | 16.4 |
| HIERARCH ESO ISS PBLA13 END | 17.3 |
| HIERARCH ESO ISS PBL14 START | 123.09 |
| HIERARCH ESO ISS PBL14 END | 123.793 |
| HIERARCH ESO ISS PBLA14 START | 42.735 |
| HIERARCH ESO ISS PBLA14 END | 43.868 |
| HIERARCH ESO ISS PBL23 START | 45.789 |
| HIERARCH ESO ISS PBL23 END | 45.876 |
| HIERARCH ESO ISS PBLA23 START | 23.4 |
| HIERARCH ESO ISS PBLA23 END | 24.4 |
| HIERARCH ESO ISS PBL24 START | 81.022 |
| HIERARCH ESO ISS PBL24 END | 81.849 |
| HIERARCH ESO ISS PBLA24 START | 64.393 |
| HIERARCH ESO ISS PBLA24 END | 65.451 |
| HIERARCH ESO ISS PBL34 START | 55.342 |
| HIERARCH ESO ISS PBL34 END | 56.036 |
| HIERARCH ESO ISS PBLA34 START | 97.283 |
| HIERARCH ESO ISS PBLA34 END | 97.974 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007385 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006742 |
| HIERARCH ESO ISS AMBI TEMP | 17.45 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |