Exposure
- ID
- GRAVI.2024-07-18T00:01:51.004_2
- Header ID
- GRAVI.2024-07-18T00:01:51.004
- Date updated
- 2024-07-18 05:10:30 UTC+0000
- Release date
- 2025-07-18 05:10:30 UTC+0000
- UTC Start
- 2024-07-18 00:01:51.004
- UTC End
- 2024-07-18 00:08:31.004
- MJD Start
- 60509.00128477
- MJD End
- 60509.0059143996
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008534
- Ambient temperature (°C)
- 18.62
- Seeing (arcsec)
- 0.505
Observation
- ID
- 60143
- Category
- science
- Program ID
- 113.268P.004
- 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
- 43558
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816666667
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 | 56.2650 | 56.2800 | 5.2000 | 6.2000 |
| U1-U3 | 101.0220 | 101.1060 | 10.5000 | 11.6000 |
| U1-U4 | 118.6200 | 119.4450 | 35.4420 | 36.8290 |
| U2-U3 | 45.2790 | 45.3670 | 16.9000 | 18.1000 |
| U2-U4 | 75.4950 | 76.5550 | 57.4580 | 58.7980 |
| U3-U4 | 50.5180 | 51.4730 | 93.0730 | 93.8510 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60509.00128477 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | IRS16SW |
| RA | 266.416885 |
| DEC | -29.0075 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 56.265 |
| HIERARCH ESO ISS PBL12 END | 56.28 |
| HIERARCH ESO ISS PBLA12 START | 5.2 |
| HIERARCH ESO ISS PBLA12 END | 6.2 |
| HIERARCH ESO ISS PBL13 START | 101.022 |
| HIERARCH ESO ISS PBL13 END | 101.106 |
| HIERARCH ESO ISS PBLA13 START | 10.5 |
| HIERARCH ESO ISS PBLA13 END | 11.6 |
| HIERARCH ESO ISS PBL14 START | 118.62 |
| HIERARCH ESO ISS PBL14 END | 119.445 |
| HIERARCH ESO ISS PBLA14 START | 35.442 |
| HIERARCH ESO ISS PBLA14 END | 36.829 |
| HIERARCH ESO ISS PBL23 START | 45.279 |
| HIERARCH ESO ISS PBL23 END | 45.367 |
| HIERARCH ESO ISS PBLA23 START | 16.9 |
| HIERARCH ESO ISS PBLA23 END | 18.1 |
| HIERARCH ESO ISS PBL24 START | 75.495 |
| HIERARCH ESO ISS PBL24 END | 76.555 |
| HIERARCH ESO ISS PBLA24 START | 57.458 |
| HIERARCH ESO ISS PBLA24 END | 58.798 |
| HIERARCH ESO ISS PBL34 START | 50.518 |
| HIERARCH ESO ISS PBL34 END | 51.473 |
| HIERARCH ESO ISS PBLA34 START | 93.073 |
| HIERARCH ESO ISS PBLA34 END | 93.851 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008697 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008371 |
| HIERARCH ESO ISS AMBI TEMP | 18.62 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.100 |
| HIERARCH ESO FT ROBJ DELTA | -290027.654 |