Exposure
- ID
- GRAVI.2024-06-25T04:50:29.624_2
- Header ID
- GRAVI.2024-06-25T04:50:29.624
- Date updated
- 2024-06-25 05:05:36 UTC+0000
- Release date
- 2025-06-25 05:05:36 UTC+0000
- UTC Start
- 2024-06-25 04:50:29.624
- UTC End
- 2024-06-25 04:55:49.624
- MJD Start
- 60486.20173176
- MJD End
- 60486.2054354637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002369
- Ambient temperature (°C)
- 9.16
- Seeing (arcsec)
- 0.805
Observation
- ID
- 59742
- Category
- science
- Program ID
- 113.268P.003
- 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 | 56.0460 | 55.9600 | 29.8000 | 30.4000 |
| U1-U3 | 101.3710 | 101.1730 | 36.2000 | 36.8000 |
| U1-U4 | 128.4880 | 128.0490 | 64.5890 | 65.1860 |
| U2-U3 | 46.0960 | 45.9830 | 44.0000 | 44.5000 |
| U2-U4 | 88.4040 | 88.0920 | 85.7670 | 86.4420 |
| U3-U4 | 62.1440 | 62.0070 | 115.3800 | 116.1290 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60486.20173176 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416918 |
| DEC | -29.00728 |
| 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 | 56.046 |
| HIERARCH ESO ISS PBL12 END | 55.96 |
| HIERARCH ESO ISS PBLA12 START | 29.8 |
| HIERARCH ESO ISS PBLA12 END | 30.4 |
| HIERARCH ESO ISS PBL13 START | 101.371 |
| HIERARCH ESO ISS PBL13 END | 101.173 |
| HIERARCH ESO ISS PBLA13 START | 36.2 |
| HIERARCH ESO ISS PBLA13 END | 36.8 |
| HIERARCH ESO ISS PBL14 START | 128.488 |
| HIERARCH ESO ISS PBL14 END | 128.049 |
| HIERARCH ESO ISS PBLA14 START | 64.589 |
| HIERARCH ESO ISS PBLA14 END | 65.186 |
| HIERARCH ESO ISS PBL23 START | 46.096 |
| HIERARCH ESO ISS PBL23 END | 45.983 |
| HIERARCH ESO ISS PBLA23 START | 44.0 |
| HIERARCH ESO ISS PBLA23 END | 44.5 |
| HIERARCH ESO ISS PBL24 START | 88.404 |
| HIERARCH ESO ISS PBL24 END | 88.092 |
| HIERARCH ESO ISS PBLA24 START | 85.767 |
| HIERARCH ESO ISS PBLA24 END | 86.442 |
| HIERARCH ESO ISS PBL34 START | 62.144 |
| HIERARCH ESO ISS PBL34 END | 62.007 |
| HIERARCH ESO ISS PBLA34 START | 115.38 |
| HIERARCH ESO ISS PBLA34 END | 116.129 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002426 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002312 |
| HIERARCH ESO ISS AMBI TEMP | 9.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.8 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |