Exposure
- ID
- GRAVI.2024-04-24T05:38:31.792_2
- Header ID
- GRAVI.2024-04-24T05:38:31.792
- Date updated
- 2024-04-24 05:50:39 UTC+0000
- Release date
- 2025-04-24 05:50:39 UTC+0000
- UTC Start
- 2024-04-24 05:38:31.792
- UTC End
- 2024-04-24 05:43:51.792
- MJD Start
- 60424.23509018
- MJD End
- 60424.2387938837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006205
- Ambient temperature (°C)
- 16.85
- Seeing (arcsec)
- 0.54
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 | 56.2700 | 56.2830 | 5.6000 | 6.4000 |
| U1-U3 | 101.0520 | 101.1220 | 10.9000 | 11.7000 |
| U1-U4 | 118.9150 | 119.5890 | 35.9430 | 37.0690 |
| U2-U3 | 45.3100 | 45.3830 | 17.4000 | 18.3000 |
| U2-U4 | 75.8770 | 76.7380 | 57.9430 | 59.0290 |
| U3-U4 | 50.8640 | 51.6360 | 93.3530 | 93.9870 |
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 | 60424.23509018 |
| 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 | 56.27 |
| HIERARCH ESO ISS PBL12 END | 56.283 |
| HIERARCH ESO ISS PBLA12 START | 5.6 |
| HIERARCH ESO ISS PBLA12 END | 6.4 |
| HIERARCH ESO ISS PBL13 START | 101.052 |
| HIERARCH ESO ISS PBL13 END | 101.122 |
| HIERARCH ESO ISS PBLA13 START | 10.9 |
| HIERARCH ESO ISS PBLA13 END | 11.7 |
| HIERARCH ESO ISS PBL14 START | 118.915 |
| HIERARCH ESO ISS PBL14 END | 119.589 |
| HIERARCH ESO ISS PBLA14 START | 35.943 |
| HIERARCH ESO ISS PBLA14 END | 37.069 |
| HIERARCH ESO ISS PBL23 START | 45.31 |
| HIERARCH ESO ISS PBL23 END | 45.383 |
| HIERARCH ESO ISS PBLA23 START | 17.4 |
| HIERARCH ESO ISS PBLA23 END | 18.3 |
| HIERARCH ESO ISS PBL24 START | 75.877 |
| HIERARCH ESO ISS PBL24 END | 76.738 |
| HIERARCH ESO ISS PBLA24 START | 57.943 |
| HIERARCH ESO ISS PBLA24 END | 59.029 |
| HIERARCH ESO ISS PBL34 START | 50.864 |
| HIERARCH ESO ISS PBL34 END | 51.636 |
| HIERARCH ESO ISS PBLA34 START | 93.353 |
| HIERARCH ESO ISS PBLA34 END | 93.987 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006545 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005865 |
| HIERARCH ESO ISS AMBI TEMP | 16.85 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |