Exposure
- ID
- GRAVI.2024-07-18T05:09:00.784_2
- Header ID
- GRAVI.2024-07-18T05:09:00.784
- Date updated
- 2024-07-18 08:50:34 UTC+0000
- Release date
- 2025-07-18 08:50:31 UTC+0000
- UTC Start
- 2024-07-18 05:09:00.784
- UTC End
- 2024-07-18 05:15:00.784
- MJD Start
- 60509.21459241
- MJD End
- 60509.2187590767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0069695
- Ambient temperature (°C)
- 15.53
- Seeing (arcsec)
- 0.47
Observation
- ID
- 60139
- 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
- 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 | 52.7330 | 52.4150 | 38.1000 | 38.5000 |
| U1-U3 | 93.7100 | 92.9800 | 44.4000 | 44.7000 |
| U1-U4 | 110.7500 | 109.0850 | 74.8960 | 75.4510 |
| U2-U3 | 41.6870 | 41.2700 | 52.3000 | 52.6000 |
| U2-U4 | 75.4380 | 74.2490 | 99.6350 | 100.5820 |
| U3-U4 | 56.2830 | 55.7870 | 132.6430 | 133.9040 |
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 | 60509.21459241 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416896 |
| DEC | -29.00733 |
| 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 | 52.733 |
| HIERARCH ESO ISS PBL12 END | 52.415 |
| HIERARCH ESO ISS PBLA12 START | 38.1 |
| HIERARCH ESO ISS PBLA12 END | 38.5 |
| HIERARCH ESO ISS PBL13 START | 93.71 |
| HIERARCH ESO ISS PBL13 END | 92.98 |
| HIERARCH ESO ISS PBLA13 START | 44.4 |
| HIERARCH ESO ISS PBLA13 END | 44.7 |
| HIERARCH ESO ISS PBL14 START | 110.75 |
| HIERARCH ESO ISS PBL14 END | 109.085 |
| HIERARCH ESO ISS PBLA14 START | 74.896 |
| HIERARCH ESO ISS PBLA14 END | 75.451 |
| HIERARCH ESO ISS PBL23 START | 41.687 |
| HIERARCH ESO ISS PBL23 END | 41.27 |
| HIERARCH ESO ISS PBLA23 START | 52.3 |
| HIERARCH ESO ISS PBLA23 END | 52.6 |
| HIERARCH ESO ISS PBL24 START | 75.438 |
| HIERARCH ESO ISS PBL24 END | 74.249 |
| HIERARCH ESO ISS PBLA24 START | 99.635 |
| HIERARCH ESO ISS PBLA24 END | 100.582 |
| HIERARCH ESO ISS PBL34 START | 56.283 |
| HIERARCH ESO ISS PBL34 END | 55.787 |
| HIERARCH ESO ISS PBLA34 START | 132.643 |
| HIERARCH ESO ISS PBLA34 END | 133.904 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006148 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007791 |
| HIERARCH ESO ISS AMBI TEMP | 15.53 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |