Exposure
- ID
- GRAVI.2025-06-15T02:37:17.834_2
- Header ID
- GRAVI.2025-06-15T02:37:17.834
- Date updated
- 2025-06-15 02:50:43 UTC+0000
- Release date
- 2026-06-15 02:50:42 UTC+0000
- UTC Start
- 2025-06-15 02:37:17.834
- UTC End
- 2025-06-15 02:43:17.834
- MJD Start
- 60841.10923419
- MJD End
- 60841.113400856666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002602
- Ambient temperature (°C)
- 8.26
- Seeing (arcsec)
- 1.5899999999999999
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 | 56.3280 | 56.3480 | 8.8000 | 9.7000 |
| U1-U3 | 101.3450 | 101.4370 | 14.3000 | 15.3000 |
| U1-U4 | 121.5310 | 122.2700 | 40.2320 | 41.4190 |
| U2-U3 | 45.6030 | 45.6900 | 21.1000 | 22.2000 |
| U2-U4 | 79.1490 | 80.0430 | 62.0390 | 63.1580 |
| U3-U4 | 53.7470 | 54.5130 | 95.7980 | 96.4960 |
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 | 60841.10923419 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417369 |
| DEC | -29.00777 |
| 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 | 56.328 |
| HIERARCH ESO ISS PBL12 END | 56.348 |
| HIERARCH ESO ISS PBLA12 START | 8.8 |
| HIERARCH ESO ISS PBLA12 END | 9.7 |
| HIERARCH ESO ISS PBL13 START | 101.345 |
| HIERARCH ESO ISS PBL13 END | 101.437 |
| HIERARCH ESO ISS PBLA13 START | 14.3 |
| HIERARCH ESO ISS PBLA13 END | 15.3 |
| HIERARCH ESO ISS PBL14 START | 121.531 |
| HIERARCH ESO ISS PBL14 END | 122.27 |
| HIERARCH ESO ISS PBLA14 START | 40.232 |
| HIERARCH ESO ISS PBLA14 END | 41.419 |
| HIERARCH ESO ISS PBL23 START | 45.603 |
| HIERARCH ESO ISS PBL23 END | 45.69 |
| HIERARCH ESO ISS PBLA23 START | 21.1 |
| HIERARCH ESO ISS PBLA23 END | 22.2 |
| HIERARCH ESO ISS PBL24 START | 79.149 |
| HIERARCH ESO ISS PBL24 END | 80.043 |
| HIERARCH ESO ISS PBLA24 START | 62.039 |
| HIERARCH ESO ISS PBLA24 END | 63.158 |
| HIERARCH ESO ISS PBL34 START | 53.747 |
| HIERARCH ESO ISS PBL34 END | 54.513 |
| HIERARCH ESO ISS PBLA34 START | 95.798 |
| HIERARCH ESO ISS PBLA34 END | 96.496 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002885 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002319 |
| HIERARCH ESO ISS AMBI TEMP | 8.26 |
| HIERARCH ESO ISS AMBI FWHM START | 1.54 |
| HIERARCH ESO ISS AMBI FWHM END | 1.64 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |