Exposure
- ID
- GRAVI.2024-04-27T06:07:35.067_2
- Header ID
- GRAVI.2024-04-27T06:07:35.067
- Date updated
- 2024-04-27 06:25:25 UTC+0000
- Release date
- 2025-04-27 06:25:25 UTC+0000
- UTC Start
- 2024-04-27 06:07:35.067
- UTC End
- 2024-04-27 06:13:35.067
- MJD Start
- 60427.25526698
- MJD End
- 60427.2594336467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004839
- Ambient temperature (°C)
- 17.86
- Seeing (arcsec)
- 0.715
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 56.3870 | 56.4090 | 11.4000 | 12.3000 |
| U1-U3 | 101.6130 | 101.7070 | 17.1000 | 18.1000 |
| U1-U4 | 123.6200 | 124.3060 | 43.5920 | 44.7050 |
| U2-U3 | 45.8540 | 45.9400 | 24.2000 | 25.2000 |
| U2-U4 | 81.6470 | 82.4490 | 65.1940 | 66.2330 |
| U3-U4 | 55.8670 | 56.5350 | 97.8060 | 98.4950 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60427.25526698 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416838 |
| DEC | -29.00734 |
| 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 | 56.387 |
| HIERARCH ESO ISS PBL12 END | 56.409 |
| HIERARCH ESO ISS PBLA12 START | 11.4 |
| HIERARCH ESO ISS PBLA12 END | 12.3 |
| HIERARCH ESO ISS PBL13 START | 101.613 |
| HIERARCH ESO ISS PBL13 END | 101.707 |
| HIERARCH ESO ISS PBLA13 START | 17.1 |
| HIERARCH ESO ISS PBLA13 END | 18.1 |
| HIERARCH ESO ISS PBL14 START | 123.62 |
| HIERARCH ESO ISS PBL14 END | 124.306 |
| HIERARCH ESO ISS PBLA14 START | 43.592 |
| HIERARCH ESO ISS PBLA14 END | 44.705 |
| HIERARCH ESO ISS PBL23 START | 45.854 |
| HIERARCH ESO ISS PBL23 END | 45.94 |
| HIERARCH ESO ISS PBLA23 START | 24.2 |
| HIERARCH ESO ISS PBLA23 END | 25.2 |
| HIERARCH ESO ISS PBL24 START | 81.647 |
| HIERARCH ESO ISS PBL24 END | 82.449 |
| HIERARCH ESO ISS PBLA24 START | 65.194 |
| HIERARCH ESO ISS PBLA24 END | 66.233 |
| HIERARCH ESO ISS PBL34 START | 55.867 |
| HIERARCH ESO ISS PBL34 END | 56.535 |
| HIERARCH ESO ISS PBLA34 START | 97.806 |
| HIERARCH ESO ISS PBLA34 END | 98.495 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004258 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00542 |
| HIERARCH ESO ISS AMBI TEMP | 17.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |