Exposure
- ID
- GRAVI.2024-04-24T06:30:49.925_2
- Header ID
- GRAVI.2024-04-24T06:30:49.925
- Date updated
- 2024-04-24 06:45:30 UTC+0000
- Release date
- 2025-04-24 06:45:30 UTC+0000
- UTC Start
- 2024-04-24 06:30:49.925
- UTC End
- 2024-04-24 06:36:09.925
- MJD Start
- 60424.27141117
- MJD End
- 60424.2751148737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0056605
- Ambient temperature (°C)
- 16.48
- Seeing (arcsec)
- 0.585
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 | 56.4260 | 56.4440 | 13.0000 | 13.7000 |
| U1-U3 | 101.7790 | 101.8590 | 18.8000 | 19.6000 |
| U1-U4 | 124.8180 | 125.3810 | 45.5440 | 46.4820 |
| U2-U3 | 46.0040 | 46.0760 | 25.9000 | 26.8000 |
| U2-U4 | 83.0410 | 83.6890 | 67.0150 | 67.8890 |
| U3-U4 | 57.0250 | 57.5570 | 99.0230 | 99.6250 |
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 | 60424.27141117 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416804 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.426 |
| HIERARCH ESO ISS PBL12 END | 56.444 |
| HIERARCH ESO ISS PBLA12 START | 13.0 |
| HIERARCH ESO ISS PBLA12 END | 13.7 |
| HIERARCH ESO ISS PBL13 START | 101.779 |
| HIERARCH ESO ISS PBL13 END | 101.859 |
| HIERARCH ESO ISS PBLA13 START | 18.8 |
| HIERARCH ESO ISS PBLA13 END | 19.6 |
| HIERARCH ESO ISS PBL14 START | 124.818 |
| HIERARCH ESO ISS PBL14 END | 125.381 |
| HIERARCH ESO ISS PBLA14 START | 45.544 |
| HIERARCH ESO ISS PBLA14 END | 46.482 |
| HIERARCH ESO ISS PBL23 START | 46.004 |
| HIERARCH ESO ISS PBL23 END | 46.076 |
| HIERARCH ESO ISS PBLA23 START | 25.9 |
| HIERARCH ESO ISS PBLA23 END | 26.8 |
| HIERARCH ESO ISS PBL24 START | 83.041 |
| HIERARCH ESO ISS PBL24 END | 83.689 |
| HIERARCH ESO ISS PBLA24 START | 67.015 |
| HIERARCH ESO ISS PBLA24 END | 67.889 |
| HIERARCH ESO ISS PBL34 START | 57.025 |
| HIERARCH ESO ISS PBL34 END | 57.557 |
| HIERARCH ESO ISS PBLA34 START | 99.023 |
| HIERARCH ESO ISS PBLA34 END | 99.625 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005103 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006218 |
| HIERARCH ESO ISS AMBI TEMP | 16.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |